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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.

A195275 Number of lower triangles of an n X n integer array with each element differing from all of its vertical and horizontal neighbors by 5 or less and triangles differing by a constant counted only once.

Table of values

n a(n)
1 1
2 121
3 107811
4 724789395
5 37235577669213
6 14698398557250127027
7 44727914263743356875711779
8 1051443054205968885835418306282537

List of values

[1, 121, 107811, 724789395, 37235577669213, 14698398557250127027, 44727914263743356875711779, 1051443054205968885835418306282537]

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

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