A277747 Number of ancestor secondary classes with respect to splittings S_{1,1},

1, 6, 16, 66, 311, 1688, 10125

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 A350649

Adjacent sequences: A277744 A277745 A277746 * A277748 A277749 A277750

Keyword

nonn,more

Author

N. J. A. Sloane, Nov 07 2016

Status

approved