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A172646 Number of 2*n X n 0..2 arrays with row sums 10 and column sums 20 1
0, 0, 0, 0, 1, 3536978063850, 134169254007831527780970675, 19578536057961112914067888563728861113920, 13935136089336578003371937448487249553674496163189003360 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,6
LINKS
CROSSREFS
Sequence in context: A080123 A209834 A230485 * A222558 A290504 A172630
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 06 2010
STATUS
approved

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Last modified May 28 19:55 EDT 2024. Contains 372919 sequences. (Running on oeis4.)