cos(tanh(x)+log(x+1))=1-4/2!*x^2+6/3!*x^3+13/4!*x^4-20/5!*x^5...

A013122

cos(tanh(x)+log(x+1))=1-4/2!*x^2+6/3!*x^3+13/4!*x^4-20/5!*x^5...

Terms

    a(0) =1a(1) =0a(2) =-4a(3) =6a(4) =13a(5) =-20a(6) =-454a(7) =1302a(8) =13213a(9) =-57528a(10) =-566304a(11) =1146750a(12) =83953137a(13) =-715819260a(14) =590760166a(15) =-61357519650

External references