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.

A251058 Number of (n+1)X(n+1) 0..2 arrays with no 2X2 subblock having x11-x00 less than x10-x01.

This page as a plain text file.
%I A251058 #6 Jun 02 2025 10:17:08
%S A251058 50,2740,320950,71431719,26192388204,14586457826568,11583623256480548,
%T A251058 12514359896491286169,17723892558531981314400
%N A251058 Number of (n+1)X(n+1) 0..2 arrays with no 2X2 subblock having x11-x00 less than x10-x01.
%C A251058 Diagonal of A251065
%e A251058 Some solutions for n=2
%e A251058 ..1..0..2....0..0..2....1..0..0....0..1..2....0..1..2....0..0..2....1..1..1
%e A251058 ..0..1..2....0..1..1....0..1..2....0..2..2....1..1..1....0..2..2....0..0..2
%e A251058 ..0..1..1....1..2..2....0..0..2....1..0..2....0..2..2....1..0..2....1..1..1
%K A251058 nonn
%O A251058 1,1
%A A251058 _R. H. Hardin_, Nov 29 2014

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

Content is available under The OEIS End-User License Agreement.