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A172780
Number of 4*n X 4 0..3 arrays with row sums 3 and column sums 3*n
1
2008, 122975608, 11012437532800, 1160317947294167480, 133937216531070195309888, 16391575725348461384454895264, 2089345627982707177699421140008960
OFFSET
1,1
LINKS
CROSSREFS
Sequence in context: A258560 A281987 A172735 * A172807 A153822 A153779
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 06 2010
STATUS
approved