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A180992 Number of (n+3)xn binary matrices with rows and then columns in strictly increasing order as binary numbers 0

%I

%S 0,0,6,873,194176,91610331,106664349231,337206602197275,

%T 3097011674559184126,86891156143807447975507,

%U 7735857823114195427126194239,2249860503567334385742963521466736

%N Number of (n+3)xn binary matrices with rows and then columns in strictly increasing order as binary numbers

%C Subdiagonal 3 of A180989

%e All solutions for 6X3

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

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

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

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

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

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

%K nonn

%O 1,3

%A _R. H. Hardin_ Sep 30 2010

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Last modified September 20 08:13 EDT 2019. Contains 327214 sequences. (Running on oeis4.)