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A172936
Number of 3*n X n 0..7 arrays with row sums 7 and column sums 21
1
1, 18152, 513799394688, 3453235602818369547520, 1835784677576057001102381224194900, 37246115504386074787217299933684238287194514560
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OFFSET
1,2
LINKS
R. H. Hardin,
Table of n, a(n) for n=1..10
CROSSREFS
Sequence in context:
A251832
A250639
A205242
*
A025029
A230948
A030331
Adjacent sequences:
A172933
A172934
A172935
*
A172937
A172938
A172939
KEYWORD
nonn
AUTHOR
R. H. Hardin
Feb 06 2010
STATUS
approved
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Last modified May 27 22:27 EDT 2023. Contains 362990 sequences. (Running on oeis4.)
