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Search: id:A036045
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| A036045 |
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Sum of distances between dual pairs of partitions of n for the canonical order. |
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+0
12
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| 0, 2, 4, 12, 24, 60, 110, 238, 436, 860, 1516, 2848, 4874, 8666, 14664, 25120, 41342, 69178, 111596, 181890, 289170, 461086, 720944, 1131358, 1743016, 2689332, 4094090, 6228298, 9364440, 14072828
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OFFSET
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1,2
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EXAMPLE
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a(4) = 12 = sum of dist. of {{1,5},{2,4},{3,3},{4,2},{5,1}}=4+2+0+2+4
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CROSSREFS
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Cf. A036045-A036056.
Sequence in context: A004645 A045687 A057422 this_sequence A100538 A135139 A062177
Adjacent sequences: A036042 A036043 A036044 this_sequence A036046 A036047 A036048
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KEYWORD
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nonn,nice
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AUTHOR
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Olivier Gerard (ogerard(AT)ext.jussieu.fr)
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