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Search: id:A031367
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A031367 Inflation orbit counts. +0
3
1, 0, 3, 4, 10, 12, 28, 40, 72, 110, 198, 300, 520, 812, 1350, 2160, 3570, 5688, 9348, 15000, 24444, 39402, 64078, 103320, 167750, 270920, 439128, 709800, 1149850, 1859010, 3010348, 4868640, 7880994, 12748470, 20633200, 33379200, 54018520 (list; graph; listen)
OFFSET

1,3

REFERENCES

Baake, Michael; Hermisson, Joachim; Pleasants, Peter A. B.; The torus parametrization of quasiperiodic LI-classes. J. Phys. A 30 (1997), no. 9, 3029-3056.

FORMULA

If b(n) is the n-th term of A001350, then a(n) = Sum_{d|n} mu(d)b(n/d).

a(n) = n * A060280(n).

CROSSREFS

Cf. A001350, A006206.

Sequence in context: A050187 A101506 A092434 this_sequence A073443 A092119 A143372

Adjacent sequences: A031364 A031365 A031366 this_sequence A031368 A031369 A031370

KEYWORD

nonn,easy

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

EXTENSIONS

More terms from James A. Sellers (sellersj(AT)math.psu.edu)

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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