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.

A284220 Number of n X 6 0..1 arrays with the number of 1's horizontally or antidiagonally adjacent to some 0 equal to the number of 0's adjacent to some 1, with top left element zero.

Table of values

n a(n)
1 19
2 495
3 22729
4 1214427
5 68272108
6 3945536189
7 232036495984
8 13815034342734
9 830095968128023
10 50232637096543404
11 3057032671368258137
12 186904092471409961598
13 11471093132331725037674
14 706316591332466208589249

List of values

[19, 495, 22729, 1214427, 68272108, 3945536189, 232036495984, 13815034342734, 830095968128023, 50232637096543404, 3057032671368258137, 186904092471409961598, 11471093132331725037674, 706316591332466208589249]

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

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