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A172899
Number of n X n 0..6 arrays with row sums 7 and column sums 7
1
0, 6, 606, 371272, 966989100, 8540999195040, 215298243454580553, 13576914921321831895872, 1932115872363940267546247712, 571313477490432486300617373331200
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OFFSET
1,2
LINKS
R. H. Hardin,
Table of n, a(n) for n=1..20
CROSSREFS
Sequence in context:
A134367
A255886
A300389
*
A222831
A206458
A265116
Adjacent sequences:
A172896
A172897
A172898
*
A172900
A172901
A172902
KEYWORD
nonn
AUTHOR
R. H. Hardin
Feb 06 2010
STATUS
approved
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Last modified May 27 19:11 EDT 2024. Contains 372882 sequences. (Running on oeis4.)