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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
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,3
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COMMENTS
| 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
| Index and properties of sequences related to partitions of 5n
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FORMULA
| a(n) = A036892(n) + A036895(n)
a(n) = A036882(n) - A202085(n)
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CROSSREFS
| Sequence in context: A130103 A000295 A034334 * A183276 A014630 A192965
Adjacent sequences: A036888 A036889 A036890 * A036892 A036893 A036894
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KEYWORD
| nonn
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AUTHOR
| Olivier Gerard (olivier.gerard(AT)gmail.com)
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EXTENSIONS
| Terms a(10) onward from Max Alekseyev (maxale(AT)gmail.com), Dec 10 2011
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