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A229420 Number of 6X6 0..n zero-diagonal arrays with corresponding row and column sums equal 1

%I #3 Sep 22 2013 12:49:42

%S 1375952,23938685973,28256240134144,7093199984236625,

%T 657759228191876016,30505804179367041217,850029945152225681408

%N Number of 6X6 0..n zero-diagonal arrays with corresponding row and column sums equal

%C Row 6 of A229417

%e Some solutions for n=1

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

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Sep 22 2013

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Last modified April 19 21:09 EDT 2024. Contains 371798 sequences. (Running on oeis4.)