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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.

A195953 Number of lower triangles of an n X n 0..8 array with each element equal to the number of its diagonal, antidiagonal, horizontal and vertical neighbors unequal to itself.

Table of values

n a(n)
1 1
2 4
3 2
4 3
5 7
6 8
7 10
8 8
9 8
10 94
11 118
12 50

List of values

[1, 4, 2, 3, 7, 8, 10, 8, 8, 94, 118, 50]

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

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