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A180991 Number of (n+2)xn binary matrices with rows and then columns in strictly increasing order as binary numbers 0

%I

%S 0,0,4,196,17630,3673129,1986193307,3003748718884,13426920301736657,

%T 185166591284225200707,8146406517582852344067961,

%U 1173623326436235078315237985776

%N Number of (n+2)xn binary matrices with rows and then columns in strictly increasing order as binary numbers

%C Subdiagonal 2 of A180989

%e All solutions for 5X3

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

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

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

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

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

%K nonn

%O 1,3

%A _R. H. Hardin_ Sep 30 2010

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Last modified October 19 03:24 EDT 2019. Contains 328211 sequences. (Running on oeis4.)