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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.

A194610 Half the number of lower triangles of an (n+1) X (n+1) 0..3 array with no element equal to the average of its horizontal and vertical neighbors.

Table of values

n a(n)
1 16
2 775
3 132214
4 86867366
5 214726600125
6 1988649454264015
7 69098146174647014753
8 9010212831798851496619501
9 4408846076603948466494884939778

List of values

[16, 775, 132214, 86867366, 214726600125, 1988649454264015, 69098146174647014753, 9010212831798851496619501, 4408846076603948466494884939778]

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

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