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A161215
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((2^b-1)/phi(n))*Sum_{d|n} Moebius(n/d)*d^(b-1) for b = 17.
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2
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131071, 8589737985, 2821088318560, 281468534292480, 4999961852994576, 184880022956829600, 725978907114673600, 9223160931695984640, 40479533921803813920, 327672500035999538160, 602267704294826658336
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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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.
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CROSSREFS
| Sequence in context: A075967 A075968 A022533 * A069392 A069278 A190780
Adjacent sequences: A161212 A161213 A161214 * A161216 A161217 A161218
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KEYWORD
| nonn
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AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com), Nov 19 2009
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