Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).
%I #4 Jan 10 2014 06:53:21
%S 1482,21707,397340,7379380,145005714,2573684600,48150637857,
%T 775525688659,13190905086499,190687328015653,2907739241384590,
%U 37858518417810848,519021821368183677,6140452349020498860,76333242984438248154
%N Number of (n+1)X(6+1) 0..1 arrays with 2X2 subblock sums lexicographically nondecreasing rowwise and nonincreasing columnwise
%C Column 6 of A235413
%H R. H. Hardin, <a href="/A235411/b235411.txt">Table of n, a(n) for n = 1..37</a>
%e Some solutions for n=2
%e ..1..0..1..0..0..0..1....1..1..1..0..0..0..0....1..1..1..0..0..0..0
%e ..1..1..1..1..1..0..0....0..1..0..1..1..1..0....1..1..1..1..1..1..1
%e ..0..1..0..1..0..0..1....1..1..1..1..0..0..1....1..1..1..1..1..0..1
%K nonn
%O 1,1
%A _R. H. Hardin_, Jan 10 2014