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A277747 Number of ancestor secondary classes with respect to splittings S_{1,1}, 0
1, 6, 16, 66, 311, 1688, 10125 (list; graph; refs; listen; history; text; internal format)
OFFSET

4,2

COMMENTS

It would be nice to have a clearer definition.

LINKS

Table of n, a(n) for n=4..10.

Richard Kapolnai, Gabor Domokos, and Timea Szabo, Generating spherical multiquadrangulations by restricted vertex splittings and the reducibility of equilibrium classes, Periodica Polytechnica Electrical Engineering, 56(1):11-10, 2012. Also arXiv:1206.1698, 2012. See Table 3.

CROSSREFS

Sequence in context: A219817 A120795 A118640 * A142704 A083885 A211954

Adjacent sequences:  A277744 A277745 A277746 * A277748 A277749 A277750

KEYWORD

nonn,more

AUTHOR

N. J. A. Sloane, Nov 07 2016

STATUS

approved

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Last modified September 21 00:14 EDT 2021. Contains 347596 sequences. (Running on oeis4.)