G.f.: A(x) = Sum_{n>=0} log(1+x + 2^n*x^2)^n/n!.
A159322
G.f.: A(x) = Sum_{n>=0} log(1+x + 2^n*x^2)^n/n!.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =2a(4) =6a(5) =12a(6) =62a(7) =280a(8) =2380a(9) =22400a(10) =321776a(11) =5837608a(12) =146558244a(13) =4938979584a(14) =221994255984
External references
- oeis: A159322