A157867 Denominator of Bernoulli(n, 1/5).

1, 10, 150, 125, 3750, 3125, 656250, 78125, 2343750, 1953125, 644531250, 48828125, 133300781250, 1220703125, 36621093750, 30517578125, 15563964843750, 762939453125, 3044128417968750, 19073486328125, 6294250488281250

Offset: 0

Author

N. J. A. Sloane, Nov 08 2009

Keywords

• nonn
• frac

Links

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

Crossrefs

For numerators see A157866.

Programs

Mathematica

Table[Denominator[BernoulliB[n, 1/5]], {n, 0, 50}] (* Vincenzo Librandi, Mar 19 2014 *)

PARI

a(n)=denominator(subst(bernpol(n, x), x, 1/5)); \\ Michel Marcus, Jul 06 2017