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A172952 Number of 2*n X n 0..8 arrays with row sums 9 and column sums 18 1

%I #4 Mar 31 2012 12:35:42

%S 0,344,107624896,1883878552356976,1012681356319237050478275,

%T 10180416476430663944707156952314700,

%U 1303360851994578257391361738660273438063376250

%N Number of 2*n X n 0..8 arrays with row sums 9 and column sums 18

%H R. H. Hardin, <a href="/A172952/b172952.txt">Table of n, a(n) for n=1..10</a>

%K nonn

%O 1,2

%A _R. H. Hardin_ Feb 06 2010

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Last modified August 11 22:54 EDT 2024. Contains 375077 sequences. (Running on oeis4.)