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A172664
Number of 3*n X n 0..2 arrays with row sums 4 and column sums 12
1
0, 1, 352128, 8365213132981, 2630024635942177123650, 7011583640699581889649892843200, 115401909362364329779895671658357933292000
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OFFSET
1,3
LINKS
R. H. Hardin,
Table of n, a(n) for n=1..17
CROSSREFS
Sequence in context:
A186822
A251246
A237098
*
A172676
A172773
A172840
Adjacent sequences:
A172661
A172662
A172663
*
A172665
A172666
A172667
KEYWORD
nonn
AUTHOR
R. H. Hardin
Feb 06 2010
STATUS
approved
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Last modified September 14 09:44 EDT 2024. Contains 375921 sequences. (Running on oeis4.)