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A192893 Number of symmetric 11-ary factorizations of the n-cycle (12...n). 1
1, 1, 6, 11, 81, 176, 1406, 3311, 27636, 68211 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

COMMENTS

The six sequences displayed in Table 1 of the Bousquet-Lamathe reference are A047749, A143546, A143547, A143554, this sequence, and 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 C├ędric Lamathe, On symmetric structures of order two, Discrete Math. Theor. Comput. Sci. 10 (2008), 153-176. See Table 1.

CROSSREFS

Sequence in context: A332659 A219702 A013321 * A188599 A217934 A012419

Adjacent sequences:  A192890 A192891 A192892 * A192894 A192895 A192896

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Jul 12 2011

STATUS

approved

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Last modified June 18 23:10 EDT 2021. Contains 345125 sequences. (Running on oeis4.)