A027592 Sequence satisfies T(a)=a, where T is defined below.

1, 2, 2, 4, 5, 7, 9, 12, 16, 20, 25, 32, 39, 49, 58, 73, 86, 104, 122, 147, 173, 203, 236, 276, 321, 371, 426, 491, 562, 643, 729, 833, 941, 1067, 1199, 1355, 1521, 1705, 1907, 2132, 2381, 2649, 2942, 3269, 3622, 4012, 4426, 4893, 5390, 5937, 6522, 7168, 7864

Offset

0,2

References

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

Links

Table of n, a(n) for n=0..52.

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: A211861 A027597 A258318 * A007209 A240215 A166239

Adjacent sequences: A027589 A027590 A027591 * A027593 A027594 A027595

Keyword

nonn,eigen

Author

N. J. A. Sloane.

Extensions

More terms from Sean A. Irvine, Nov 09 2019

Status

approved