OFFSET
1,2
FORMULA
a(n) = n*A076100(n) (conjectured). - F. Chapoton, Nov 09 2009
PROG
(PARI) my(x='x+O('x^50), v=Vec(-log(1+x)*log(1-x))); apply(denominator, vector(#v\2, k, v[2*k-1])) \\ Michel Marcus, Feb 16 2021
CROSSREFS
KEYWORD
easy,frac,nonn
AUTHOR
Benoit Cloitre, May 03 2002
STATUS
approved