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A172558
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Number of 2*n X 12 0..1 arrays with row sums 6 and column sums n.
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1
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924, 32496156, 3718394156400, 729833528645228700, 195428754450309450171024, 64051375889927380035549804336, 24197157773366540262083203214418624, 10156485647319165206190655366818708639900
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OFFSET
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1,1
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LINKS
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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