%I A027583
%S A027583 1,1,1,2,2,3,3,4,5,6,7,9,10,11,13,16,18
%N A027583 Sequence satisfies T(a)=a, where T is defined below.
%D A027583 S. Viswanath (student, Dept. Math, Indian Inst. Technology, Kanpur) A 
               Note on Partition Eigensequences, preprint, Nov 15 1996.
%H A027583 M. Bernstein and N. J. A. Sloane, <a href="http://arXiv.org/abs/math.CO/
               0205301">Some canonical sequences of integers</a>, Linear Alg. Applications, 
               226-228 (1995), 57-72; erratum 320 (2000), 210.
%F A027583 Define T:a->b by: given a1<=a2<=..., remove duplicates, keep only numbers 
               = +-1 mod 5, getting c1<c2<...; define b1, b2, ... by 1+Sum bi*x^i 
               = Product 1/(1-x^ci).
%Y A027583 Sequence in context: A145933 A120171 A145816 this_sequence A029022 A140953 
               A112021
%Y A027583 Adjacent sequences: A027580 A027581 A027582 this_sequence A027584 A027585 
               A027586
%K A027583 nonn,more,eigen
%O A027583 0,4
%A A027583 N. J. A. Sloane (njas(AT)research.att.com).