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A172580 Number of 4*n X 8 0..1 arrays with row sums 2 and column sums n 1
2520, 187530840, 31082452632000, 7373018003758407000, 2144953893641078315315520, 712008996110160366168717566400, 259207529217195001892051045386944000 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

R. H. Hardin, Table of n, a(n) for n=1..24

CROSSREFS

Sequence in context: A282433 A228080 A172553 * A172684 A172652 A217862

Adjacent sequences:  A172577 A172578 A172579 * A172581 A172582 A172583

KEYWORD

nonn

AUTHOR

R. H. Hardin Feb 06 2010

STATUS

approved

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Last modified August 8 18:58 EDT 2022. Contains 356016 sequences. (Running on oeis4.)