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A172771 Number of 3*n X 2*n 0..3 arrays with row sums 4 and column sums 6 1
7, 4705381, 654393258290520, 3956256528501607375052700, 432897335001181060850579402825662500, 493319321787145287396560260323437116718848470000 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
CROSSREFS
Sequence in context: A076915 A051447 A076910 * A116257 A075984 A109300
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 06 2010
STATUS
approved

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Last modified April 24 20:08 EDT 2024. Contains 371963 sequences. (Running on oeis4.)