E.g.f.: arctanh(log(x+1)-sinh(x)) = -1/2!*x^2 + 1/3!*x^3 - 6/4!*x^4 + 23/5!*x^5 - ...

A013266

E.g.f.: arctanh(log(x+1)-sinh(x)) = -1/2!*x^2 + 1/3!*x^3 - 6/4!*x^4 + 23/5!*x^5 - ...

Terms

    a(0) =0a(1) =0a(2) =-1a(3) =1a(4) =-6a(5) =23a(6) =-150a(7) =929a(8) =-8120a(9) =73387a(10) =-791280a(11) =9118019a(12) =-118205208a(13) =1645324757a(14) =-25017568576a(15) =407175866733

External references