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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.

A194537 Number of lower triangles of an n X n 0..5 array with new values introduced in row major order 0..5 and no element equal to more than one horizontal or vertical neighbor.

Table of values

n a(n)
1 1
2 4
3 132
4 62038
5 286773762
6 8096809998526
7 1243336605965267360
8 1026437889413641002431445

List of values

[1, 4, 132, 62038, 286773762, 8096809998526, 1243336605965267360, 1026437889413641002431445]

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

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