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.

A207699 Number of n X n 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 0 1 and 1 1 0 vertically.

Table of values

n a(n)
1 2
2 16
3 102
4 729
5 8151
6 105625
7 1369900
8 19891600
9 334808748
10 6181890625
11 122401625127
12 2624869821025
13 60940432893132
14 1515981414587236
15 40169735443014974
16 1131549414709903225
17 33790458968920700067

List of values

[2, 16, 102, 729, 8151, 105625, 1369900, 19891600, 334808748, 6181890625, 122401625127, 2624869821025, 60940432893132, 1515981414587236, 40169735443014974, 1131549414709903225, 33790458968920700067]

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

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