cp's OEIS Frontend

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.

A284331 Number of n X 5 0..1 arrays with the number of 1's horizontally, diagonally or antidiagonally adjacent to some 0 equal to the number of 0's adjacent to some 1, with top left element zero.

Table of values

n a(n)
1 10
2 118
3 2259
4 68458
5 1792007
6 53977741
7 1544903012
8 46769835006
9 1390664014686
10 42363464831441
11 1283893093528916
12 39356428019998389
13 1205870610270117562
14 37167608852928420540
15 1146797011149724787289
16 35507304286797019507210

List of values

[10, 118, 2259, 68458, 1792007, 53977741, 1544903012, 46769835006, 1390664014686, 42363464831441, 1283893093528916, 39356428019998389, 1205870610270117562, 37167608852928420540, 1146797011149724787289, 35507304286797019507210]

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

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