Expansion of e.g.f. arctan(tanh(x) + log(x+1)).
A013121
Expansion of e.g.f. arctan(tanh(x) + log(x+1)).
Terms
- a(0) =0a(1) =2a(2) =-1a(3) =-16a(4) =42a(5) =748a(6) =-5130a(7) =-80792a(8) =1139880a(9) =15089632a(10) =-401063040a(11) =-3986514112a(12) =203199458880
External references
- oeis: A013121