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This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A266934 Number of nX7 binary arrays with rows lexicographically nondecreasing and columns lexicographically nondecreasing and row sums nondecreasing and column sums nonincreasing.

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%I A266934 #3 Jan 06 2016 11:31:14
%S A266934 2,6,21,115,816,7185,68890,671796,6347005,56180274,460040399,
%T A266934 3470013146,24151911854,155703390684
%N A266934 Number of nX7 binary arrays with rows lexicographically nondecreasing and columns lexicographically nondecreasing and row sums nondecreasing and column sums nonincreasing.
%C A266934 Column 7 of A266935.
%e A266934 Some solutions for n=4
%e A266934 ..0..0..0..0..0..1..1....0..0..0..0..1..1..1....0..0..0..0..0..0..1
%e A266934 ..0..0..1..1..1..0..1....0..0..1..1..0..0..1....0..0..0..0..0..1..0
%e A266934 ..1..1..0..0..1..1..0....1..1..0..1..0..1..0....1..1..1..1..1..0..0
%e A266934 ..1..1..1..1..0..0..0....1..1..1..0..1..0..0....1..1..1..1..1..1..0
%Y A266934 Cf. A266935.
%K A266934 nonn
%O A266934 1,1
%A A266934 _R. H. Hardin_, Jan 06 2016

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