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.

A293093 Number of 7 X n 0..1 arrays with the number of 1's horizontally or antidiagonally adjacent to some 0 two less than the number of 0's adjacent to some 1.

Table of values

n a(n)
1 0
2 1420
3 246743
4 30064393
5 3464680837
6 405651046593
7 48001754870966
8 5741377234777552
9 692287714517793203
10 84012955651693381631
11 10248181988944597335712
12 1255426108983775803770706

List of values

[0, 1420, 246743, 30064393, 3464680837, 405651046593, 48001754870966, 5741377234777552, 692287714517793203, 84012955651693381631, 10248181988944597335712, 1255426108983775803770706]

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

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