OFFSET
1,2
COMMENTS
Limit a(n+1)/a(n) = 1.7232625617 6384402416 0437963573 1635201885 2701526482 7413326383 0542284384 5757642887 ...
EXAMPLE
L.g.f.: L(x) = x + 3*x^2/2 + 4*x^3/3 + 11*x^4/4 + 11*x^5/5 + 30*x^6/6 +...
where
x/exp(L(x)) = x - x^2 - x^3 - x^5 + x^6 - x^7 + x^10 - x^11 - x^13 + x^14 + x^15 - x^17 +...+ moebius(n)*x^n +...
PROG
(PARI) {a(n)=n*polcoeff(-log(sum(m=0, n, moebius(m+1)*x^m)+x*O(x^n)), n)}
CROSSREFS
KEYWORD
nonn
AUTHOR
Paul D. Hanna, Sep 20 2011
STATUS
approved