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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
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