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Hyp cos's 4-entry series is the group of numbers which was defined by Wikia user Hyp cos using strong array notation and expressions of of the form s(a,b,c,d) with a, b, d > 1.[1]

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3-entry series 5+ entry series

Primitol group[]

This group includes primitol, primitolplex, primitolbiplex, primitoltriplex, primitolquadriplex, primibol, primibolplex, primitrol, primitrolplex, primitetol, primitetolplex, primipenol and primipenolplex in order.

Name of number Strong array notation (definition) Chained arrow notation (exact equality)
primitol s(3,2,2,2) \(3\rightarrow3\rightarrow2\rightarrow2\)
primitolplex s(3,3,2,2) \(3\rightarrow3\rightarrow3\rightarrow2\)
primitolbiplex s(3,4,2,2) \(3\rightarrow3\rightarrow4\rightarrow2\)
primitoltriplex s(3,5,2,2) \(3\rightarrow3\rightarrow5\rightarrow2\)
primitolquadriplex s(3,6,2,2) \(3\rightarrow3\rightarrow6\rightarrow2\)
primibol s(3,2,3,2) \(3\rightarrow3\rightarrow2\rightarrow3\)
primibolplex s(3,3,3,2) \(3\rightarrow3\rightarrow3\rightarrow3\)
primitrol s(3,2,4,2) \(3\rightarrow3\rightarrow2\rightarrow4\)
primitrolplex s(3,3,4,2) \(3\rightarrow3\rightarrow3\rightarrow4\)
primitetol s(3,2,5,2) \(3\rightarrow3\rightarrow2\rightarrow5\)
primitetolplex s(3,3,5,2) \(3\rightarrow3\rightarrow3\rightarrow5\)
primipenol s(3,2,6,2) \(3\rightarrow3\rightarrow2\rightarrow6\)
primitrolplex s(3,3,6,2) \(3\rightarrow3\rightarrow3\rightarrow6\)

Tetentri group[]

This group includes duprimitol, duprimitolplex, duprimibol and tetentri in order.

Name of number Strong array notation (definition) Chained arrow notation (exact equality)
duprimitol s(3,2,2,3) \(3\rightarrow3\rightarrow3\rightarrow2\rightarrow2\)
duprimitolplex s(3,3,2,3) \(3\rightarrow3\rightarrow3\rightarrow3\rightarrow2\)
duprimibol s(3,2,3,3) \(3\rightarrow3\rightarrow3\rightarrow2\rightarrow3\)
tetentri (duprimibolplex) s(3,3,3,3) \(3\rightarrow3\rightarrow3\rightarrow3\rightarrow3\)

Tetentet group[]

This group includes truprimitol, truprimitolplex, truprimibol, truprimibolplex and tetentet in order.

Name of number Strong array notation (definition) Chained arrow notation (exact equality)
truprimitol s(3,2,2,4) \(3\rightarrow3\rightarrow3\rightarrow3\rightarrow2\rightarrow2\)
truprimitolplex s(3,3,2,4) \(3\rightarrow3\rightarrow3\rightarrow3\rightarrow3\rightarrow2\)
truprimibol s(3,2,3,4) \(3\rightarrow3\rightarrow3\rightarrow3\rightarrow2\rightarrow3\)
truprimibolplex s(3,3,3,4) \(3\rightarrow3\rightarrow3\rightarrow3\rightarrow3\rightarrow3\)
tetentet s(4,4,4,4) \(4\rightarrow4\rightarrow4\rightarrow4\rightarrow4\rightarrow4\)

Tetenpent group[]

This group includes quadprimitol, quadprimitolplex, quadprimibol, quadprimibolplex and tetenpent in order.

Name of number Strong array notation (definition) Chained arrow notation (exact equality)
quadprimitol s(3,2,2,5) \(3\rightarrow3\rightarrow3\rightarrow3\rightarrow3\rightarrow2\rightarrow2\)
quadprimitolplex s(3,3,2,5) \(3\rightarrow3\rightarrow3\rightarrow3\rightarrow3\rightarrow3\rightarrow2\)
quadprimibol s(3,2,3,5) \(3\rightarrow3\rightarrow3\rightarrow3\rightarrow3\rightarrow2\rightarrow3\)
quadprimibolplex s(3,3,3,5) \(3\rightarrow3\rightarrow3\rightarrow3\rightarrow3\rightarrow3\rightarrow3\)
tetenpent s(5,5,5,5) \(5\rightarrow5\rightarrow5\rightarrow5\rightarrow5\rightarrow5\rightarrow5\)

Tetenhex group[]

This group includes quinprimitol, quinprimitolplex, quinprimibol, quinprimibolplex and tetenhex in order.

Name of number Strong array notation (definition) Chained arrow notation (exact equality)
quinprimitol s(3,2,2,6) \(3\rightarrow3\rightarrow3\rightarrow3\rightarrow3\rightarrow3\rightarrow2\rightarrow2\)
quinprimitolplex s(3,3,2,6) \(3\rightarrow3\rightarrow3\rightarrow3\rightarrow3\rightarrow3\rightarrow3\rightarrow2\)
quinprimibol s(3,2,3,6) \(3\rightarrow3\rightarrow3\rightarrow3\rightarrow3\rightarrow3\rightarrow2\rightarrow3\)
quinprimibolplex s(3,3,3,6) \(3\rightarrow3\rightarrow3\rightarrow3\rightarrow3\rightarrow3\rightarrow3\rightarrow3\)
tetenhex s(6,6,6,6) \(6\rightarrow6\rightarrow6\rightarrow6\rightarrow6\rightarrow6\rightarrow6\rightarrow6\)

Sources[]

  1. Hyp cos. Numbers from linear array notationSteps Toward Infinity!. Retrieved 2017-09-30.
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