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%I #24 Jan 09 2023 06:08:15
%S 0,1,0,0,0,0,-1,0,0,0,0,-1,0,0,0,0,0,0,0,0,-1,0,0,0,0,1,1,0,0,0,1,0,0,
%T 0,0,0,1,0,0,-1,0,0,0,0,1,-1,0,0,0,1,0,0,0,0,0,-1,0,0,0,0,0,-1,0,0,-1,
%U 0,0,0,0,0,0,0,0,0,-1,0,-1,0,0,0
%N Expansion of eta(q^5)*eta(q^19).
%H Seiichi Manyama, <a href="/A030213/b030213.txt">Table of n, a(n) for n = 0..10000</a>
%H M. Koike, <a href="http://projecteuclid.org/euclid.nmj/1118787564">On McKay's conjecture</a>, Nagoya Math. J., 95 (1984), 85-89.
%F Expansion of x * Product_{k>=1} (1 - x^(5*k)) * (1 - x^(19*k)). - _Seiichi Manyama_, Oct 18 2016
%t eta = QPochhammer;
%t CoefficientList[q eta[q^5] eta[q^19] + O[q]^100, q] (* _Jean-François Alcover_, Feb 21 2021 *)
%Y Cf. Expansion of eta(q^k)*eta(q^(24 - k)): A030199 (k=1), A030201 (k=3), this sequence (k=5), A030214 (k=7), A030215 (k=9), A030216 (k=10), A030217 (k=11).
%K sign
%O 0,132
%A _N. J. A. Sloane_.
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