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 A184143 Number of nX8 binary arrays with rows and columns in nondecreasing order 1

%I #5 Mar 31 2012 12:35:56

%S 9,129,3351,136564,6979061,371484319,18470742266,818230288201,

%T 31887670171373,1096628939510047,33575397457792227,924491977646105742,

%U 23115171441961340021,529351592443419400759,11186675629728308277811

%N Number of nX8 binary arrays with rows and columns in nondecreasing order

%C Column 8 of A180985

%H R. H. Hardin, <a href="/A184143/b184143.txt">Table of n, a(n) for n = 1..200</a>

%e Some solutions for 3X8

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Jan 09 2011

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Last modified December 4 16:44 EST 2023. Contains 367563 sequences. (Running on oeis4.)