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.

A303474 Number of 7Xn 0..1 arrays with every element equal to 0, 1, 2, 3, 5 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.

Table of values

n a(n)
1 64
2 8192
3 240109
4 8511918
5 302023677
6 10589284528
7 373571747330
8 13168795781782
9 464090568326205
10 16358580942971076
11 576597835196073800
12 20323581029125802804
13 716356995061667848093
14 25249828305783449920908

List of values

[64, 8192, 240109, 8511918, 302023677, 10589284528, 373571747330, 13168795781782, 464090568326205, 16358580942971076, 576597835196073800, 20323581029125802804, 716356995061667848093, 25249828305783449920908]

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

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