A214820 Number of genus 3 sensed hypermaps with n darts.

0, 0, 0, 0, 0, 0, 30, 1155, 29910, 601364, 10260804, 156469887

Offset

1,7

Links

Table of n, a(n) for n=1..12.

Mednykh, A.; Nedela, R. Recent progress in enumeration of hypermaps, J. Math. Sci., New York 226, No. 5, 635-654 (2017) and Zap. Nauchn. Semin. POMI 446, 139-164 (2016), table 5

Timothy R. Walsh, Space-efficient generation of nonisomorphic maps and hypermaps

T. R. Walsh, Space-Efficient Generation of Nonisomorphic Maps and Hypermaps, J. Int. Seq. 18 (2015) # 15.4.3

Crossrefs

Cf. A090371, A118094, A214819, A214820, A057005.

Sequence in context: A280216 A075187 A265101 * A259462 A269682 A269471

Adjacent sequences: A214817 A214818 A214819 * A214821 A214822 A214823

Keyword

nonn,more

Author

N. J. A. Sloane, Aug 01 2012

Status

approved