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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.

A194613 Half the number of lower triangles of an (n+1) X (n+1) 0..6 array with no element equal to the average of its horizontal and vertical neighbors.

Table of values

n a(n)
1 117
2 34247
3 66369488
4 873084601728
5 77572756670578163
6 46519509694797259637061

List of values

[117, 34247, 66369488, 873084601728, 77572756670578163, 46519509694797259637061]

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

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