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%I #6 Feb 25 2014 19:01:58
%S 5,20,39,166,253,974
%N Number of canonical generators for Z_2 + Z_n.
%H Bryson W. Finklea, Terri Moore, Vadim Ponomarenko and Zachary J. Turner, <a href="http://dx.doi.org/10.2140/involve.2008.1.159">Invariant polynomials and minimal zero sequences</a>, Involve, 1:2 (2008), pp. 159-165.
%Y Cf. A002956, A082641, A238101, A238102.
%K nonn,more
%O 2,1
%A _N. J. A. Sloane_, Feb 25 2014
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