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A172554
Number of 2*n X 18 0..1 arrays with row sums 9 and column sums n
1
48620, 842090474940, 89365729945562642000, 21796558191507153941744357500, 8588121524476528848476120449733261520, 4623755659802671553551698062433487687144266000
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OFFSET
1,1
LINKS
R. H. Hardin,
Table of n, a(n) for n=1..12
CROSSREFS
Sequence in context:
A177314
A177315
A172613
*
A244172
A245794
A048341
Adjacent sequences:
A172551
A172552
A172553
*
A172555
A172556
A172557
KEYWORD
nonn
AUTHOR
R. H. Hardin
Feb 06 2010
STATUS
approved
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Last modified September 15 08:13 EDT 2024. Contains 375932 sequences. (Running on oeis4.)
