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A160959 ((2^b-1)/phi(n))*Sum_{d|n} Moebius(n/d)*d^(b-1) for b = 10. 0
1023, 522753, 10067343, 133824768, 499511463, 5144412273, 6880289823, 34259140608, 66051837423, 255250357593, 241218048687, 1316969541888, 904033571463, 3515828099553, 4915692307383, 8770339995648, 7582212353463 (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..17.

FORMULA

a(n) = 1023*A160953(n). - R. J. Mathar, Mar 16 2016

CROSSREFS

Sequence in context: A123867 A321555 A321549 * A022192 A069385 A069411

Adjacent sequences:  A160956 A160957 A160958 * A160960 A160961 A160962

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Nov 19 2009

STATUS

approved

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Last modified February 19 10:03 EST 2020. Contains 332041 sequences. (Running on oeis4.)