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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.

A195225 Number of lower triangles of a 7X7 integer array with each element differing from all of its diagonal, vertical, antidiagonal and horizontal neighbors by n or less and triangles differing by a constant counted only once.

Table of values

n a(n)
1 2021888119
2 764465228592699
3 5137554141710397313
4 4059527861103273129317
5 863969905606597340602967
6 76019997788404353762724447
7 3546881146489163009435488735
8 102667264655001518661047239817

List of values

[2021888119, 764465228592699, 5137554141710397313, 4059527861103273129317, 863969905606597340602967, 76019997788404353762724447, 3546881146489163009435488735, 102667264655001518661047239817]

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

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