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.

A207518 Number of nX7 0..1 arrays avoiding 0 0 1 and 0 1 0 horizontally and 0 1 0 and 1 0 1 vertically.

Table of values

n a(n)
1 31
2 961
3 6115
4 68807
5 600283
6 5849409
7 54373655
8 516879019
9 4866171581
10 46008055407
11 434073335621
12 4098491207569
13 38682074952657
14 365164477339623
15 3447077980972367
16 32541367521606267
17 307192500866436479

List of values

[31, 961, 6115, 68807, 600283, 5849409, 54373655, 516879019, 4866171581, 46008055407, 434073335621, 4098491207569, 38682074952657, 365164477339623, 3447077980972367, 32541367521606267, 307192500866436479]

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

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