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A157800 Denominator of Bernoulli(n, 1/3). 5
1, 6, 18, 27, 810, 243, 10206, 2187, 65610, 19683, 1299078, 177147, 483611310, 1594323, 9565938, 14348907, 7317942570, 129140163, 103053850074, 1162261467, 383546284110, 10460353203, 1443528742014, 94143178827, 257010878197710 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 0..250

MATHEMATICA

Denominator[BernoulliB[Range[0, 30], 1/3]] (* Harvey P. Dale, Nov 17 2012 *)

PROG

(Python)

from sympy import bernoulli

from fractions import Fraction

def a(n): return Fraction(str(bernoulli(n, 1/3))).denominator # Indranil Ghosh, May 01 2017

CROSSREFS

For numerators see A157799.

Sequence in context: A228104 A028558 A140450 * A225110 A077660 A240991

Adjacent sequences:  A157797 A157798 A157799 * A157801 A157802 A157803

KEYWORD

nonn,frac

AUTHOR

N. J. A. Sloane, Nov 08 2009

STATUS

approved

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Last modified December 19 03:45 EST 2018. Contains 318245 sequences. (Running on oeis4.)