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A172558
Number of 2*n X 12 0..1 arrays with row sums 6 and column sums n.
1
924, 32496156, 3718394156400, 729833528645228700, 195428754450309450171024, 64051375889927380035549804336, 24197157773366540262083203214418624, 10156485647319165206190655366818708639900
OFFSET
1,1
LINKS
CROSSREFS
Sequence in context: A177305 A177306 A248814 * A229778 A172657 A172761
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 06 2010
STATUS
approved