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A202716 Number of 4X4 0..n arrays with row sums equal and no column sum equal to the previous.

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%I A202716 #6 Jul 22 2025 16:47:15
%S A202716 838,173860,7788648,147823100,1631287078,12388736288,71598143176,
%T A202716 335967493328,1337851154982,4665608624084,14584276374720
%N A202716 Number of 4X4 0..n arrays with row sums equal and no column sum equal to the previous.
%C A202716 Row 4 of A202714
%e A202716 Some solutions for n=1
%e A202716 ..1..0..1..0....1..0..1..0....1..0..1..1....1..1..0..0....0..1..0..0
%e A202716 ..0..1..1..0....0..1..1..0....1..1..1..0....0..1..1..0....0..0..0..1
%e A202716 ..1..1..0..0....0..1..0..1....1..1..0..1....1..1..0..0....0..1..0..0
%e A202716 ..1..0..1..0....1..1..0..0....1..1..0..1....1..1..0..0....0..0..0..1
%K A202716 nonn
%O A202716 1,1
%A A202716 _R. H. Hardin_ Dec 23 2011

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