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A172581 Number of 4*n X 20 0..1 arrays with row sums 5 and column sums n 1
11732745024, 2144953893641078315315520, 3502030404249297872766171625530047385600, 15195407946323194013765595656097788013666363361791048000 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
CROSSREFS
Sequence in context: A204780 A333131 A172587 * A213534 A366897 A202361
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.)