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A027589
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Sequence satisfies T^2(a)=a, where T is defined below.
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0
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1, 2, 3, 4, 6, 8, 10, 13, 17, 21, 27, 32, 39, 47, 56
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,2
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REFERENCES
| S. Viswanath (student, Dept. Math, Indian Inst. Technology, Kanpur) A Note on Partition Eigensequences, preprint, Nov 15 1996.
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LINKS
| 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
| 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
| Sequence in context: A027585 A123015 A005434 * A039851 A028290 A003107
Adjacent sequences: A027586 A027587 A027588 * A027590 A027591 A027592
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KEYWORD
| nonn,more,eigen
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AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com).
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