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A027586 Sequence satisfies T^2(a)=a, where T is defined below. 0
1, 2, 3, 3, 5, 6, 8, 11, 13, 17, 20, 25, 30, 37, 45 (list; graph; refs; listen; history; internal format)
OFFSET

0,2

REFERENCES

S. Viswanath (student, Dept. Math, Indian Inst. Technology, Kanpur) A Note on Partition Eigensequences, preprint, Nov 15 1996.

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.

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 even parts do not occur more than once.

CROSSREFS

Sequence in context: A061790 A107236 A192184 * A039860 A084338 A039876

Adjacent sequences:  A027583 A027584 A027585 * A027587 A027588 A027589

KEYWORD

nonn,more,eigen

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

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Last modified February 16 09:56 EST 2012. Contains 205904 sequences.