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.

A276253 Number of 7Xn 0..2 arrays with no element equal to any value at offset (-2,-1) (-1,1) or (0,-2) and new values introduced in order 0..2.

Table of values

n a(n)
1 365
2 9216
3 23000
4 188696
5 2003694
6 18671229
7 219977330
8 2410124377
9 24361263053
10 272372552980
11 2985497491633
12 31231199543135
13 341233988414188
14 3723139799743418
15 39589701942441676
16 428949119346736027

List of values

[365, 9216, 23000, 188696, 2003694, 18671229, 219977330, 2410124377, 24361263053, 272372552980, 2985497491633, 31231199543135, 341233988414188, 3723139799743418, 39589701942441676, 428949119346736027]

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

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