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%I
%S 1,1,7,13,112,247,2310,5525,53998,135408
%N Number of symmetric 13-ary factorizations of the n-cycle (12...n).
%C The six sequences displayed in Table 1 of the Bousquet-Lamathe reference are A047749, A143546, A143547, A143554, A192893, A192894. From this one should be able to guess a g.f.
%D Bousquet, Michel; and Lamathe, Cedric; On symmetric structures of order two. Discrete Math. Theor. Comput. Sci. 10 (2008), 153-176. See Table 1.
%K nonn
%O 1,3
%A _N. J. A. Sloane_, Jul 12 2011
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