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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.

A194620 Half the number of lower triangles of a 7X7 0..n array with no element equal to the average of its horizontal and vertical neighbors.

Table of values

n a(n)
1 1901849
2 202803700252
3 1988649454264015
4 1946585305112431165
5 481414314393133400117
6 46519509694797259637061
7 2430369828996738172677912

List of values

[1901849, 202803700252, 1988649454264015, 1946585305112431165, 481414314393133400117, 46519509694797259637061, 2430369828996738172677912]

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

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