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.

A207413 Number of n X n 0..1 arrays avoiding 0 0 1 and 0 1 0 horizontally and 0 1 1 and 1 0 1 vertically.

Table of values

n a(n)
1 2
2 16
3 92
4 742
5 13260
6 220882
7 4094666
8 129528304
9 4643477356
10 183171965504
11 10948746139548
12 797831881523648
13 65446536338563458
14 7746605907720894574
15 1149785247198798823392
16 195841032765969991278104

List of values

[2, 16, 92, 742, 13260, 220882, 4094666, 129528304, 4643477356, 183171965504, 10948746139548, 797831881523648, 65446536338563458, 7746605907720894574, 1149785247198798823392, 195841032765969991278104]

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

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