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A172733 Number of n X n 0..3 arrays with row sums 8 and column sums 8 1

%I #4 Mar 31 2012 12:35:41

%S 0,0,6,8515,84202220,2805859246095,272039989206828885,

%T 68307608848277646753795,40385466638839151897733367128,

%U 51971656438500975228442173361615800

%N Number of n X n 0..3 arrays with row sums 8 and column sums 8

%H R. H. Hardin, <a href="/A172733/b172733.txt">Table of n, a(n) for n=1..17</a>

%K nonn

%O 1,3

%A _R. H. Hardin_ Feb 06 2010

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Last modified April 23 23:26 EDT 2024. Contains 371917 sequences. (Running on oeis4.)