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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.

A235442 Number of (n+1)X(n+1) 0..1 arrays with the difference between each 2X2 subblock maximum and minimum lexicographically nondecreasing rowwise and columnwise.

Table of values

n a(n)
1 16
2 382
3 28962
4 7017768
5 5485253042
6 13868068262164
7 113555975474406500
8 3012872125570872924612

List of values

[16, 382, 28962, 7017768, 5485253042, 13868068262164, 113555975474406500, 3012872125570872924612]

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

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