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.

A219443 Unmatched value maps: number of 5Xn binary arrays indicating the locations of corresponding elements not equal to any horizontal, diagonal or antidiagonal neighbor in a random 0..1 5Xn array.

Table of values

n a(n)
1 1
2 134
3 1396
4 11283
5 98584
6 844553
7 7285283
8 63351821
9 550075610
10 4785295684
11 41593658285
12 361645238004
13 3144201225435
14 27338782908435
15 237713376159763
16 2066953339295080
17 17972428400647700
18 156272292427772867

List of values

[1, 134, 1396, 11283, 98584, 844553, 7285283, 63351821, 550075610, 4785295684, 41593658285, 361645238004, 3144201225435, 27338782908435, 237713376159763, 2066953339295080, 17972428400647700, 156272292427772867]

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

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