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.

A284333 Number of n X 7 0..1 arrays with the number of 1's horizontally, diagonally 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 33
2 1481
3 120058
4 13941789
5 1495300322
6 177476886878
7 20513380740103
8 2467754689139967
9 294625135884008616
10 35796621202795670294
11 4346160057088704088179
12 532218134572276626959066

List of values

[33, 1481, 120058, 13941789, 1495300322, 177476886878, 20513380740103, 2467754689139967, 294625135884008616, 35796621202795670294, 4346160057088704088179, 532218134572276626959066]

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

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