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A220435 Denominators of reduced coefficients in expansion of e.g.f. for operads for alia algebras. 2
1, 1, 6, 6, 12, 9, 18, 72, 1296, 1296 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

Table of n, a(n) for n=0..9.

Anton Khoroshkin and Dmitri Piontkovski, On generating series of finitely presented operads, arXiv:1202.5170, 2012. See Prop. 3.5.2.

CROSSREFS

Cf. A220433, A220434.

Sequence in context: A247513 A124508 A028317 * A055665 A168328 A176569

Adjacent sequences:  A220432 A220433 A220434 * A220436 A220437 A220438

KEYWORD

nonn,more,frac

AUTHOR

N. J. A. Sloane, Dec 16 2012

STATUS

approved

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Last modified January 25 03:49 EST 2020. Contains 331241 sequences. (Running on oeis4.)