%I A030201
%S A030201 0,1,0,0,1,0,0,1,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,1,0,
%T A030201 0,1,0,0,0,0,0,0,0,0,2,0,0,0,0,0,2,0,0,0,0,0,1,0,0,0,0,
%U A030201 0,0,0,0,0,0,0,0,0,0,1,0,0,2,0,0,0,0,0,0,0,0,0,0,0,2,0
%V A030201 0,1,0,0,-1,0,0,-1,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,1,0,
%W A030201 0,1,0,0,0,0,0,0,0,0,-2,0,0,0,0,0,-2,0,0,0,0,0,1,0,0,0,0,
%X A030201 0,0,0,0,0,0,0,0,0,0,-1,0,0,2,0,0,0,0,0,0,0,0,0,0,0,2,0
%N A030201 Expansion of eta(q^3)*eta(q^21).
%D A030201 M. Koike, On McKay's conjecture, Nagoya Math. J., 95 (1984), 85-89.
%Y A030201 Sequence in context: A112053 A089798 A070536 this_sequence A055668 A045839 
               A000086
%Y A030201 Adjacent sequences: A030198 A030199 A030200 this_sequence A030202 A030203 
               A030204
%K A030201 sign
%O A030201 0,38
%A A030201 N. J. A. Sloane (njas(AT)research.att.com).