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.

A254450 Number of (n+2)X(n+2) 0..1 arrays with every 3X3 subblock diagonal maximum minus antidiagonal median nondecreasing horizontally and vertically.

Table of values

n a(n)
1 512
2 26380
3 2085712
4 275772848
5 71814202464
6 37859718002056
7 41728495959588032
8 96370792918403418032
9 471658574277826549969856
10 4899488261874299641047185592
11 107824890536438862557050692197760

List of values

[512, 26380, 2085712, 275772848, 71814202464, 37859718002056, 41728495959588032, 96370792918403418032, 471658574277826549969856, 4899488261874299641047185592, 107824890536438862557050692197760]

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

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