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.

A198913 Number of n X 7 0..7 arrays with values 0..7 introduced in row major order and no element equal to any horizontal or vertical neighbor.

Table of values

n a(n)
1 203
2 10856948
3 3352514013159
4 1243368053336112649
5 467181941240736711604077
6 175702802690666247458883923440
7 66084692925071529966599521403836686
8 24855655340700384655492554800723374323095
9 9348667576846602621032033514210811069676125541

List of values

[203, 10856948, 3352514013159, 1243368053336112649, 467181941240736711604077, 175702802690666247458883923440, 66084692925071529966599521403836686, 24855655340700384655492554800723374323095, 9348667576846602621032033514210811069676125541]

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

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