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.

A297599 Number of 6Xn 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 1 or 5 neighboring 1s.

Table of values

n a(n)
1 1
2 85
3 597
4 1977
5 18577
6 163704
7 975485
8 6551844
9 50398161
10 352390358
11 2398926979
12 17125942248
13 121877564552
14 851145373245
15 5985375126147
16 42335812708116
17 298062036716448
18 2096304373306315
19 14776780052329473
20 104136065922562829

List of values

[1, 85, 597, 1977, 18577, 163704, 975485, 6551844, 50398161, 352390358, 2398926979, 17125942248, 121877564552, 851145373245, 5985375126147, 42335812708116, 298062036716448, 2096304373306315, 14776780052329473, 104136065922562829]

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

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