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.

A206995 Number of n X n 0..1 arrays avoiding 0 1 0 horizontally and 0 1 1 vertically.

Table of values

n a(n)
1 2
2 16
3 230
4 6612
5 382349
6 45723467
7 10432265840
8 4567604720632
9 3835202074248503
10 6261201402096526687
11 19792947737197868206612
12 121328664454799987875557245
13 1441630925698363945645049021360

List of values

[2, 16, 230, 6612, 382349, 45723467, 10432265840, 4567604720632, 3835202074248503, 6261201402096526687, 19792947737197868206612, 121328664454799987875557245, 1441630925698363945645049021360]

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

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