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.

A207424 Number of nX6 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 0 1 and 0 1 0 vertically.

Table of values

n a(n)
1 25
2 625
3 5625
4 47089
5 444889
6 3892729
7 32936121
8 283215241
9 2427040225
10 20642505625
11 175841842225
12 1499143116025
13 12764120981481
14 108666218127481
15 925439613839521
16 7880177347151769
17 67093251777369801
18 571284105880558225

List of values

[25, 625, 5625, 47089, 444889, 3892729, 32936121, 283215241, 2427040225, 20642505625, 175841842225, 1499143116025, 12764120981481, 108666218127481, 925439613839521, 7880177347151769, 67093251777369801, 571284105880558225]

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

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