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A172907
Number of n X n 0..6 arrays with row sums n and column sums n
1
1, 3, 55, 10147, 22069251, 602351808741, 215298243454580553, 1035075803117199670120995, 68263787608482538080643047338467, 62721314697296961151225820176430830979953
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OFFSET
1,2
LINKS
R. H. Hardin,
Table of n, a(n) for n=1..12
CROSSREFS
Sequence in context:
A172748
A172822
A172873
*
A172932
A172950
A172962
Adjacent sequences:
A172904
A172905
A172906
*
A172908
A172909
A172910
KEYWORD
nonn
AUTHOR
R. H. Hardin
Feb 06 2010
STATUS
approved
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Last modified April 19 07:33 EDT 2024. Contains 371782 sequences. (Running on oeis4.)
