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Search: id:A027592
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| A027592 |
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Sequence satisfies T(a)=a, where T is defined below. |
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+0
1
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| 1, 2, 2, 4, 5, 7, 9, 12, 16, 20, 25, 32, 39, 49, 58, 73, 86, 104, 122, 147
(list; graph; listen)
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OFFSET
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0,2
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REFERENCES
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S. Viswanath (student, Dept. Math, Indian Inst. Technology, Kanpur) A Note on Partition Eigensequences, preprint, Nov 15 1996.
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LINKS
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M. Bernstein and N. J. A. Sloane, Some canonical sequences of integers, Linear Alg. Applications, 226-228 (1995), 57-72; erratum 320 (2000), 210.
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FORMULA
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Define T:a->b by: given a1<=a2<=..., let b(n) = number of ways of partitioning n into parts from a1, a2, ... such that parts = 0 mod 3 do not occur more than once.
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CROSSREFS
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Sequence in context: A030769 A069355 A027597 this_sequence A007209 A166239 A058661
Adjacent sequences: A027589 A027590 A027591 this_sequence A027593 A027594 A027595
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KEYWORD
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nonn,more,eigen
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AUTHOR
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N. J. A. Sloane (njas(AT)research.att.com).
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