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A036891
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Number of partitions of 5n such that cn(1,5) = cn(4,5) < cn(2,5) = cn(3,5) <= cn(0,5).
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5
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0, 1, 4, 11, 26, 59, 129, 279, 588, 1216, 2451, 4836, 9326, 17641, 32746, 59795, 107507, 190634, 333661, 577104, 987043, 1670725, 2800269, 4650351, 7655282, 12497879, 20243241, 32543510, 51944000, 82345113, 129687646, 202974550, 315774972
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OFFSET
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1,3
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COMMENTS
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Alternatively, number of partitions of 5n such that cn(2,5) = cn(3,5) < cn(1,5) = cn(4,5) <= cn(0,5).
For a given partition, cn(i,n) means the number of its parts equal to i modulo n.
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LINKS
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FORMULA
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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