

A192894


Number of symmetric 13ary factorizations of the ncycle (12...n).


2




OFFSET

1,3


COMMENTS

The six sequences displayed in Table 1 of the BousquetLamathe reference are A047749, A143546, A143547, A143554, A192893, A192894. From this one should be able to guess a g.f.


LINKS

Table of n, a(n) for n=1..10.
Michel Bousquet and Cédric Lamathe, On symmetric structures of order two, Discrete Math. Theor. Comput. Sci. 10 (2008), 153176. See Table 1.


CROSSREFS

Sequence in context: A046519 A283920 A128351 * A241280 A219703 A198947
Adjacent sequences: A192891 A192892 A192893 * A192895 A192896 A192897


KEYWORD

nonn


AUTHOR

N. J. A. Sloane, Jul 12 2011


STATUS

approved



