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A172697 Number of 5*n X 5 0..2 arrays with row sums 2 and column sums 2*n 1
6210, 1328792850, 467046072593100, 203571289613781911250, 100139724386322263262579960, 53234949493963470885785898137100, 29871310888030132154949642916374456000 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

R. H. Hardin, Table of n, a(n) for n=1..19

CROSSREFS

Sequence in context: A235277 A246889 A172629 * A172731 A330364 A230733

Adjacent sequences:  A172694 A172695 A172696 * A172698 A172699 A172700

KEYWORD

nonn

AUTHOR

R. H. Hardin Feb 06 2010

STATUS

approved

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Last modified January 19 20:48 EST 2022. Contains 350466 sequences. (Running on oeis4.)