A286272 Partial sums of A286271.

0, 1, 3, 6, 11, 18, 29, 45, 69, 104, 157, 235, 353, 529, 795, 1196, 1807, 2734, 4153, 6322, 9655, 14779, 22689, 34904, 53829, 83174, 128783, 199742, 310351, 482927, 752611, 1174440, 1835087, 2870689, 4495811, 7048133, 11060415, 17372551, 27310887, 42969497, 67658557, 106610695

Offset: 1

Author

N. J. A. Sloane, May 08 2017

Keywords

• nonn

Links

• Marston Conder, S. Du, R. Nedela, M. Skoviera, Regular maps with nilpotent automorphism group, Journal of Algebraic Combinatorics, December 2016, Volume 44, Issue 4, pp 863-874; DOI: 10.1007/s10801-016-0692-8

Crossrefs

Cf. A006206, A286271.