Expansion of e.g.f.: arctan(log(x+1)-tanh(x)).

A013285

Expansion of e.g.f.: arctan(log(x+1)-tanh(x)).

Terms

    a(0) =-1a(1) =4a(2) =-6a(3) =8a(4) =-90a(5) =152a(6) =6440a(7) =-69984a(8) =443520a(9) =-4264768a(10) =46842048a(11) =-44493568a(12) =-8172692528a(13) =163418763328

External references