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A172721
Number of 9*n X 9 0..2 arrays with row sums 2 and column sums 2*n
1
41514583320, 2402820978940192425615000, 384184227197088213207839624049360408000, 95131219937961621952706904277268129938808819520975000
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OFFSET
1,1
LINKS
R. H. Hardin,
Table of n, a(n) for n=1..11
CROSSREFS
Sequence in context:
A199428
A287261
A172631
*
A259350
A237495
A227387
Adjacent sequences:
A172718
A172719
A172720
*
A172722
A172723
A172724
KEYWORD
nonn
AUTHOR
R. H. Hardin
Feb 06 2010
STATUS
approved
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Last modified April 16 03:22 EDT 2024. Contains 371696 sequences. (Running on oeis4.)
