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.

A303530 Number of 7Xn 0..1 arrays with every element equal to 0, 1, 3, 4, 5 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.

Table of values

n a(n)
1 64
2 86
3 687
4 4112
5 56046
6 965150
7 15768709
8 258412452
9 4730074082
10 89182240009
11 1607792486756
12 28651954738510
13 525363767853510
14 9705710828046354
15 176560700611952149
16 3198325214799036047
17 58453456076912623357

List of values

[64, 86, 687, 4112, 56046, 965150, 15768709, 258412452, 4730074082, 89182240009, 1607792486756, 28651954738510, 525363767853510, 9705710828046354, 176560700611952149, 3198325214799036047, 58453456076912623357]

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

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