OFFSET
0,3
LINKS
Hector Blandin and Rafael Diaz, Compositional Bernoulli numbers, arXiv:0708.0809 [math.CO], 2007-2008, p. 14, first table.
EXAMPLE
0, 1, -23, 56, -68/45, 193/54, -655/63, 19349/540, -57736/405, 520343/810.
PROG
(PARI) my(x='x+O('x^40)); apply(denominator, concat(0, Vec(serlaplace(serreverse(2*(exp(x)-1-x)/x))))) \\ Michel Marcus, Jan 24 2024
CROSSREFS
KEYWORD
frac,nonn
AUTHOR
Jonathan Vos Post, Aug 09 2007
EXTENSIONS
a(6) corrected and more terms from Michel Marcus, Jan 24 2024
STATUS
approved