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A172792 Number of 6*n X n 0..3 arrays with row sums 3 and column sums 18. 1
1, 1703636, 9991003788000025, 16391575725348461384454895264, 1999627385492230281454043722065265134189600, 7973459202457374191609067356023716183497438508372391165200 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
LINKS
CROSSREFS
Sequence in context: A257432 A257425 A254241 * A272710 A121887 A237033
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 06 2010
STATUS
approved

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Last modified February 22 13:38 EST 2024. Contains 370256 sequences. (Running on oeis4.)