OFFSET
0,4
FORMULA
E.g.f. satisfies A(x^2+sin(x))=e^(x*A(x)).
EXAMPLE
A = 1 +x/2 + x^2/2! + 5*x^3/3! -11*x^4/4!+...
CROSSREFS
KEYWORD
sign
AUTHOR
Vladimir Kruchinin, Feb 01 2011
STATUS
approved