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A172932
Number of n X n 0..7 arrays with row sums n and column sums n
1
1, 3, 55, 10147, 22069251, 602351808741, 215717608046511873, 1046211088756248825569475, 70241609479301663107223809203427, 66348852357002987700605359091266362631153
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OFFSET
1,2
LINKS
R. H. Hardin,
Table of n, a(n) for n=1..12
CROSSREFS
Sequence in context:
A172822
A172873
A172907
*
A172950
A172962
A110058
Adjacent sequences:
A172929
A172930
A172931
*
A172933
A172934
A172935
KEYWORD
nonn
AUTHOR
R. H. Hardin
Feb 06 2010
STATUS
approved
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Last modified August 20 07:51 EDT 2024. Contains 375314 sequences. (Running on oeis4.)