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.

A207965 Number of 7Xn 0..1 arrays avoiding 0 0 0 and 1 0 1 horizontally and 0 0 1 and 1 0 0 vertically.

Table of values

n a(n)
1 35
2 1225
3 9723
4 67007
5 463482
6 3256420
7 22743106
8 159145878
9 1113110358
10 7783641086
11 54441102148
12 380763037574
13 2663029117816
14 18625080610602
15 130262646296280
16 911050830133514
17 6371848653213628
18 44564391943986634

List of values

[35, 1225, 9723, 67007, 463482, 3256420, 22743106, 159145878, 1113110358, 7783641086, 54441102148, 380763037574, 2663029117816, 18625080610602, 130262646296280, 911050830133514, 6371848653213628, 44564391943986634]

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

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