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 A027591 Sequence satisfies T^2(a)=a, where T is defined below. 1
 1, 2, 2, 4, 4, 7, 8, 12, 13, 18, 21, 28, 32, 41, 47, 59, 67, 84, 95, 116, 130, 158, 177, 211, 237, 279, 312, 364, 408, 471, 525, 603, 671, 766, 849, 966, 1067, 1206, 1330, 1498, 1649, 1846, 2030, 2264, 2484, 2759, 3024, 3348, 3659, 4041, 4409, 4855, 5287, 5809 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,2 COMMENTS T(a) is given by A027590. [From Max Alekseyev, Feb 20 2010] 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. [Link to arXiv version] M. Bernstein and N. J. A. Sloane, Some canonical sequences of integers, Linear Alg. Applications, 226-228 (1995), 57-72; erratum 320 (2000), 210. [Link to Lin. Alg. Applic. version together with omitted figures] 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. CROSSREFS Sequence in context: A227134 A240013 A050366 * A027596 A007213 A097851 Adjacent sequences:  A027588 A027589 A027590 * A027592 A027593 A027594 KEYWORD nonn,eigen AUTHOR EXTENSIONS More terms from Max Alekseyev, Feb 20 2010 STATUS approved

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Last modified September 17 04:03 EDT 2019. Contains 327119 sequences. (Running on oeis4.)