cp's OEIS Frontend

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.

A216798 Number of permutations of an nX6 array with each element moving exactly one horizontally or vertically and without 2-loops.

Table of values

n a(n)
1 0
2 22
3 32
4 1774
5 10140
6 207408
7 1879040
8 27918806
9 302667484
10 3991662992
11 46492284664
12 585384941184
13 7016484369112
14 86745644666352
15 1051690689056356
16 12908451995027824
17 157213197102215752
18 1924102649175445120

List of values

[0, 22, 32, 1774, 10140, 207408, 1879040, 27918806, 302667484, 3991662992, 46492284664, 585384941184, 7016484369112, 86745644666352, 1051690689056356, 12908451995027824, 157213197102215752, 1924102649175445120]

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

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