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.

A208686 Number of nX6 0..1 arrays avoiding 0 0 0 and 0 0 1 horizontally and 0 1 1 and 1 0 1 vertically.

Table of values

n a(n)
1 26
2 676
3 2430
4 11727
5 66094
6 301035
7 1332721
8 6219706
9 28669412
10 130450900
11 599156271
12 2760581304
13 12692272021
14 58421183145
15 269289045586
16 1241270953000
17 5722274656706
18 26389387599127
19 121715139738150
20 561405501868311

List of values

[26, 676, 2430, 11727, 66094, 301035, 1332721, 6219706, 28669412, 130450900, 599156271, 2760581304, 12692272021, 58421183145, 269289045586, 1241270953000, 5722274656706, 26389387599127, 121715139738150, 561405501868311]

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

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