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.

A205160 Number of n X 7 0..3 arrays with no occurrence of three equal elements in a row horizontally, vertically or nw-to-se diagonally, and new values 0..3 introduced in row major order.

Table of values

n a(n)
1 528
2 6427791
3 35987024999
4 231638725420288
5 1458877292453477918
6 9223088985799640757493

List of values

[528, 6427791, 35987024999, 231638725420288, 1458877292453477918, 9223088985799640757493]

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

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