OFFSET
0,1
LINKS
EXAMPLE
The sequence Bernoulli(2n)/(2n!) (n >= 0) begins 1/2, 1/12, -1/120, 1/504, -1/1440, 1/3168, -691/3931200, 1/8640, -3617/41126400, ...
MATHEMATICA
Table[Denominator[BernoulliB[2 n]/(2 n!)], {n, 0, 25}]
PROG
(Magma) [Denominator(Bernoulli(2*n)/(2*Factorial(n))): n in [0..25]]; // Vincenzo Librandi, Feb 24 2015
(PARI) a(n) = denominator(bernfrac(2*n)/(2*n!)); \\ Michel Marcus, Feb 24 2015
(Sage) [denominator(bernoulli(2*n)/(2*factorial(n))) for n in (0..25)] # Bruno Berselli, Feb 24 2015
CROSSREFS
KEYWORD
nonn,frac
AUTHOR
Jean-François Alcover, Feb 24 2015
STATUS
approved