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.

A250950 Number of (n+1)X(n+1) 0..1 arrays with no 2X2 subblock having its maximum diagonal element less than its minimum antidiagonal element.

Table of values

n a(n)
1 15
2 392
3 36016
4 11633448
5 13211127617
6 52746349035592
7 740399698245965774
8 36539401198968631193728
9 6339835499950780464168370698
10 3867371786117427361119320198505328

List of values

[15, 392, 36016, 11633448, 13211127617, 52746349035592, 740399698245965774, 36539401198968631193728, 6339835499950780464168370698, 3867371786117427361119320198505328]

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

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