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This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A309109 Number of possible permutations of a Pyraminx of size n, disregarding the trivial rotation of the tips.

Table of values

n a(n)
1 1
2 1
3 933120
4 2681795837952000
5 237391215092234044047360000000
6 647223519675870437718855767650467840000000000000
7 254101032901646255941392101056649724780871931658240000000000000000000

List of values

[1, 1, 933120, 2681795837952000, 237391215092234044047360000000, 647223519675870437718855767650467840000000000000, 254101032901646255941392101056649724780871931658240000000000000000000]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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