A214823 - OEIS

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A214823

Number of genus 2 unsensed hypermaps with n darts.

5

0, 0, 0, 0, 4, 39, 456, 5554, 63378, 698568, 7391499, 75807708

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,5

LINKS

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

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; A214821-A214823, A215017, A215018.

Sequence in context: A199757 A046449 A203211 * A275517 A300187 A068187

Adjacent sequences: A214820 A214821 A214822 * A214824 A214825 A214826

KEYWORD

nonn,more

AUTHOR

N. J. A. Sloane, Aug 01 2012

STATUS

approved