G.f. L(x) satisfies: L(x) = L(exp(x)-1)*(1-exp(-x))/x = Sum_{n>=1} a(n)*x^n/(n!*(n+1)!).
A180609
G.f. L(x) satisfies: L(x) = L(exp(x)-1)*(1-exp(-x))/x = Sum_{n>=1} a(n)*x^n/(n!*(n+1)!).
Terms
- a(0) =1a(1) =-1a(2) =3a(3) =-16a(4) =110a(5) =-540a(6) =-9240a(7) =292320a(8) =14908320a(9) =-1639612800a(10) =-33013854720
External references
- oeis: A180609