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.

A208113 Number of n X n 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 0 1 and 0 1 1 vertically.

Table of values

n a(n)
1 2
2 16
3 90
4 625
5 7315
6 130321
7 1432600
8 17850625
9 339961440
10 8208541201
11 137250396283
12 2528484794641
13 64191779662920
14 1915940360359936
15 43397063924977512
16 1065586805357114881
17 33367357471586657167

List of values

[2, 16, 90, 625, 7315, 130321, 1432600, 17850625, 339961440, 8208541201, 137250396283, 2528484794641, 64191779662920, 1915940360359936, 43397063924977512, 1065586805357114881, 33367357471586657167]

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

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