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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.

A189647 Number of n X 6 array permutations with each element moving zero or one space horizontally, diagonally or antidiagonally.

Table of values

n a(n)
1 13
2 4777
3 799069
4 157346785
5 30010432933
6 5760755884032
7 1104421532180261
8 211788908613601649
9 40611524427488470629
10 7787535228500656118433
11 1493309632024085211828077
12 286351787186005572629329841

List of values

[13, 4777, 799069, 157346785, 30010432933, 5760755884032, 1104421532180261, 211788908613601649, 40611524427488470629, 7787535228500656118433, 1493309632024085211828077, 286351787186005572629329841]

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

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