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.

A219739 Unmatched value maps: number of nX6 binary arrays indicating the locations of corresponding elements not equal to any horizontal, vertical or antidiagonal neighbor in a random 0..1 nX6 array.

Table of values

n a(n)
1 21
2 129
3 1180
4 9425
5 78661
6 647252
7 5350080
8 44159095
9 364647622
10 3010723330
11 24858935864
12 205253857220
13 1694729679245
14 13992960979394
15 115536377026413
16 953955009802438
17 7876568121973188
18 65034854910941849
19 536976546612691621

List of values

[21, 129, 1180, 9425, 78661, 647252, 5350080, 44159095, 364647622, 3010723330, 24858935864, 205253857220, 1694729679245, 13992960979394, 115536377026413, 953955009802438, 7876568121973188, 65034854910941849, 536976546612691621]

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

Content is available under The OEIS End-User License Agreement.