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.

A251799 Number of (n+1)X(6+1) 0..3 arrays with no 2X2 subblock having x11-x00 less than x10-x01.

Table of values

n a(n)
1 905440
2 195753488
3 43510308650
4 10280556043804
5 2466029519190492
6 596244004665414586
7 144607697103715449366
8 35128978291327271678332
9 8539742853066868800341654
10 2076797685218066186814306236

List of values

[905440, 195753488, 43510308650, 10280556043804, 2466029519190492, 596244004665414586, 144607697103715449366, 35128978291327271678332, 8539742853066868800341654, 2076797685218066186814306236]

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

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