Expansion of e.g.f.: cosh(arctanh(x)*log(x+1)) = 1+12/4!*x^4-60/5!*x^5+570/6!*x^6...

A012706

Expansion of e.g.f.: cosh(arctanh(x)*log(x+1)) = 1+12/4!*x^4-60/5!*x^5+570/6!*x^6...

Terms

    a(0) =1a(1) =0a(2) =0a(3) =0a(4) =12a(5) =-60a(6) =570a(7) =-3780a(8) =39648a(9) =-350784a(10) =4337160a(11) =-48488880a(12) =695537832a(13) =-9378296928a(14) =153105187872

External references