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.

A232588 Number of (n+1)X(7+1) 0..2 arrays with every element next to itself plus and minus one within the range 0..2 horizontally or antidiagonally, with no adjacent elements equal.

Table of values

n a(n)
1 90
2 744
3 7568
4 68072
5 595304
6 5045772
7 41969054
8 344123498
9 2791211292
10 22459482618
11 179631450494
12 1430206865644
13 11348368440492
14 89814921458080
15 709441275635178
16 5595533382083776
17 44083691591740368
18 347010348931531478

List of values

[90, 744, 7568, 68072, 595304, 5045772, 41969054, 344123498, 2791211292, 22459482618, 179631450494, 1430206865644, 11348368440492, 89814921458080, 709441275635178, 5595533382083776, 44083691591740368, 347010348931531478]

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

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