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A172554 Number of 2*n X 18 0..1 arrays with row sums 9 and column sums n 1

%I #4 Mar 31 2012 12:35:40

%S 48620,842090474940,89365729945562642000,

%T 21796558191507153941744357500,8588121524476528848476120449733261520,

%U 4623755659802671553551698062433487687144266000

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

%H R. H. Hardin, <a href="/A172554/b172554.txt">Table of n, a(n) for n=1..12</a>

%K nonn

%O 1,1

%A _R. H. Hardin_ Feb 06 2010

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Last modified April 19 19:02 EDT 2024. Contains 371798 sequences. (Running on oeis4.)