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A172593
Number of 5*n X 10 0..1 arrays with row sums 4 and column sums 2*n
1
56586600, 1289144584143523800, 91880966659006902855367890000, 10697695830125272790880922760946584535000, 1639181069042816463750016605763302490015414336761600
OFFSET
1,1
LINKS
CROSSREFS
Sequence in context: A251380 A269476 A234759 * A258422 A172679 A034612
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 06 2010
STATUS
approved