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A172608 Number of 7*n X 7 0..1 arrays with row sums 3 and column sums 3*n 1

%I

%S 68938800,617944896216648000,12218892645550878420052920000,

%T 337799058758556439723480176591336120000,

%U 11251027489082268563385494644966780470231583948800

%N Number of 7*n X 7 0..1 arrays with row sums 3 and column sums 3*n

%H R. H. Hardin, <a href="/A172608/b172608.txt">Table of n, a(n) for n=1..13</a>

%K nonn

%O 1,1

%A _R. H. Hardin_ Feb 06 2010

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Last modified June 18 18:52 EDT 2019. Contains 324215 sequences. (Running on oeis4.)