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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.

A194612 Half the number of lower triangles of an (n+1) X (n+1) 0..5 array with no element equal to the average of its horizontal and vertical neighbors.

Table of values

n a(n)
1 69
2 12438
3 12561823
4 73569838704
5 2481372954501732
6 481414314393133400117

List of values

[69, 12438, 12561823, 73569838704, 2481372954501732, 481414314393133400117]

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

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