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.

A067968 Number of binary arrangements on n X n array without adjacent three 1's.

Table of values

n a(n)
0 1
1 2
2 11
3 163
4 6547
5 720417
6 216173426
7 177509416175
8 398239490006383
9 2441922679051541299
10 40923800121824894177005
11 1874434223405139511637099884
12 234647514833189124245764389957097
13 80281172893810827268371440460572492150

List of values

[1, 2, 11, 163, 6547, 720417, 216173426, 177509416175, 398239490006383, 2441922679051541299, 40923800121824894177005, 1874434223405139511637099884, 234647514833189124245764389957097, 80281172893810827268371440460572492150]

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

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