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A172826
Number of 2*n X n 0..4 arrays with row sums 4 and column sums 8
1
1, 85, 210960, 5796870115, 1020771217185075, 816961921232733507825, 2344764719918663269508531250, 20294029043417487085670761524956250, 464104041410086779771666773956560859328250
OFFSET
1,2
LINKS
CROSSREFS
Sequence in context: A131750 A239269 A068749 * A196886 A172874 A316558
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 06 2010
STATUS
approved