A223715 - OEIS

%I #3 Mar 26 2013 06:25:22

%S 22,1066,41389,1470857,47624032,1443186250,41246442844,1127371554425,

%T 29645620713939,755435424827724,18737274345032049,454323647753916442

%N Number of nX6 0..1 arrays with row sums and column sums unimodal

%C Column 6 of A223716

%e Some solutions for n=3

%e ..1..0..1..1..1..1....1..1..1..0..1..0....0..0..0..0..1..0....1..0..0..1..1..1

%e ..1..1..1..1..1..0....1..1..0..1..0..0....0..1..0..1..0..0....0..1..1..1..1..1

%e ..0..1..0..0..1..0....1..1..1..0..0..0....0..0..1..1..0..1....0..0..1..0..1..0

%K nonn

%O 1,1

%A _R. H. Hardin_ Mar 26 2013