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A172617
Number of 9*n X 9 0..1 arrays with row sums 2 and column sums 2*n
1
14398171200, 109829050417159537464000, 2343976695927269878444049332219968000, 77695253876546044332382434342006457448342441400000
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OFFSET
1,1
LINKS
R. H. Hardin,
Table of n, a(n) for n=1..11
CROSSREFS
Sequence in context:
A134298
A046060
A172595
*
A216015
A246109
A038545
Adjacent sequences:
A172614
A172615
A172616
*
A172618
A172619
A172620
KEYWORD
nonn
AUTHOR
R. H. Hardin
Feb 06 2010
STATUS
approved
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Last modified April 19 02:28 EDT 2024. Contains 371782 sequences. (Running on oeis4.)
