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.

A285749 Number of n X 7 0..1 arrays with the number of 1's horizontally, diagonally or antidiagonally adjacent to some 0 one less than the number of 0's adjacent to some 1.

Table of values

n a(n)
1 28
2 2042
3 250592
4 25450414
5 3020617824
6 341001631140
7 40895629554933
8 4828422171183992
9 584834466962677402
10 70587405158150794666
11 8620918536843418223386
12 1053438370876757943161204

List of values

[28, 2042, 250592, 25450414, 3020617824, 341001631140, 40895629554933, 4828422171183992, 584834466962677402, 70587405158150794666, 8620918536843418223386, 1053438370876757943161204]

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

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