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A161195 ((2^b-1)/phi(n))*Sum_{d|n} Moebius(n/d)*d^(b-1) for b = 16. 1
65535, 2147385345, 470177777355, 35182761492480, 499992370589085, 15406315230591285, 51855240592341495, 576434364292792320, 2248845733577866995, 16383250007092548195, 27375595878265462275 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

REFERENCES

J. H. Kwak and J. Lee, Enumeration of graph coverings, surface branched coverings and related group theory, in Combinatorial and Computational Mathematics (Pohang, 2000), ed. S. Hong et al., World Scientific, Singapore 2001, pp. 97-161. See p. 134.

LINKS

Table of n, a(n) for n=1..11.

CROSSREFS

Sequence in context: A011566 A161167 A022532 * A069391 A188096 A188105

Adjacent sequences:  A161192 A161193 A161194 * A161196 A161197 A161198

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Nov 19 2009

STATUS

approved

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Last modified August 15 01:47 EDT 2020. Contains 336485 sequences. (Running on oeis4.)