cosh(log(x+1)-sin(x))= 1+3/4!*x^4-30/5!*x^5+180/6!*x^6-1113/7!*x^7...

A013219

cosh(log(x+1)-sin(x))= 1+3/4!*x^4-30/5!*x^5+180/6!*x^6-1113/7!*x^7...

Terms

    a(0) =1a(1) =0a(2) =0a(3) =0a(4) =3a(5) =-30a(6) =180a(7) =-1113a(8) =8589a(9) =-77364a(10) =779814a(11) =-8613935a(12) =103330491a(13) =-1342230318a(14) =18788673904a(15) =-281844035445

External references