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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.

A251805 Number of (5+1)X(n+1) 0..3 arrays with no 2X2 subblock having x11-x00 less than x10-x01.

Table of values

n a(n)
1 2430631
2 474547100
3 44356434596
4 2446811684440
5 90717637876583
6 2466029519190492
7 52256028323545001
8 902865704126649438
9 13158989979297456736
10 166106632087042847162
11 1854323843850427384132

List of values

[2430631, 474547100, 44356434596, 2446811684440, 90717637876583, 2466029519190492, 52256028323545001, 902865704126649438, 13158989979297456736, 166106632087042847162, 1854323843850427384132]

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

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