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.

A195280 Number of lower triangles of a 4X4 integer array with each element differing from all of its vertical and horizontal neighbors by n or less and triangles differing by a constant counted only once.

Table of values

n a(n)
1 6939
2 626525
3 12608631
4 119743353
5 724789395
6 3249312469
7 11755976175
8 36215968241
9 98454861067
10 242177297229
11 548894457959
12 1162058315625
13 2322243189891
14 4416808121541
15 8048123047903
16 14125147709409
17 23983914638075

List of values

[6939, 626525, 12608631, 119743353, 724789395, 3249312469, 11755976175, 36215968241, 98454861067, 242177297229, 548894457959, 1162058315625, 2322243189891, 4416808121541, 8048123047903, 14125147709409, 23983914638075]

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

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