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A172767
Number of 3*n X n 0..3 arrays with row sums 6 and column sums 18
1
0, 1, 19546975, 80349760089959316, 11279631181377626877359650100, 31270791853997716490787029515342398010161, 1138966845227847811612995810985909503258495428544062880
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OFFSET
1,3
LINKS
R. H. Hardin,
Table of n, a(n) for n=1..11
CROSSREFS
Sequence in context:
A017395
A017659
A348267
*
A122557
A284101
A303448
Adjacent sequences:
A172764
A172765
A172766
*
A172768
A172769
A172770
KEYWORD
nonn
AUTHOR
R. H. Hardin
Feb 06 2010
STATUS
approved
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Last modified April 25 13:34 EDT 2024. Contains 371971 sequences. (Running on oeis4.)
