E.g.f.: Expansion of log(1+log(1+x)^2) = 2*x^2/2! -6*x^3/3! +10*x^4/4! -...
A009325
E.g.f.: Expansion of log(1+log(1+x)^2) = 2*x^2/2! -6*x^3/3! +10*x^4/4! -...
Terms
- a(0) =0a(1) =0a(2) =2a(3) =-6a(4) =10a(5) =20a(6) =-232a(7) =252a(8) =12108a(9) =-137520a(10) =510672a(11) =6198720a(12) =-106090272a(13) =110313216a(14) =20049746208a(15) =-350494492320
External references
- oeis: A009325