%I #6 Mar 31 2012 12:36:06
%S 319741716426,52666517720011,4805827783188400,300268014063911584,
%T 14077041692560748494,522748636954347087650,15954040054059557650482,
%U 411179480114108991321807,9138537360691131917393508
%N Number of (n+2)X7 0..6 arrays with each 3X3 subblock having rows and columns in lexicographically nondecreasing order
%C Column 5 of A186915
%H R. H. Hardin, <a href="/A186911/b186911.txt">Table of n, a(n) for n = 1..120</a>
%H R. H. Hardin, <a href="/A186911/a186911.txt">Polynomial of degree 107</a>
%F Polynomial of degree 107 in n, see link.
%e Some solutions for 4X7
%e ..0..0..0..0..0..0..2....0..0..0..0..0..1..2....0..0..0..0..0..0..2
%e ..0..0..0..0..0..0..3....0..0..0..0..0..2..3....0..0..0..0..0..1..4
%e ..0..0..0..0..0..4..0....0..0..0..0..0..5..4....0..0..0..0..0..1..4
%e ..0..0..0..0..0..5..2....0..0..0..0..0..5..5....0..0..0..0..0..6..3
%K nonn
%O 1,1
%A _R. H. Hardin_ Feb 28 2011
|