A066415 Denominators of coefficients in series expansion of -512*(1+x)^3/(x-8)^3.

1, 8, 32, 256, 4096, 32768, 65536, 524288, 16777216, 134217728, 536870912, 4294967296, 68719476736, 549755813888, 274877906944, 4398046511104, 281474976710656, 2251799813685248, 9007199254740992, 72057594037927936

Offset

0,2

Comments

Related to Belyi function for tetrahedron.

Links

Table of n, a(n) for n=0..19.

N. Magot and A. Zvonkin, Belyi functions for Archimedian solids, Discrete Math., 217 (2000), 249-271.

Mathematica

Denominator[CoefficientList[Series[(-512 (1+x)^3)/(x-8)^3, {x, 0, 30}], x]] (* Harvey P. Dale, Nov 26 2014 *)

Crossrefs

Cf. A066414.

Sequence in context: A222692 A268143 A093759 * A143557 A348399 A208824

Adjacent sequences: A066412 A066413 A066414 * A066416 A066417 A066418

Keyword

nonn,frac

Author

N. J. A. Sloane, Dec 26 2001

Status

approved