sech(sinh(x)+log(x+1))=1-4/2!*x^2+6/3!*x^3+53/4!*x^4-310/5!*x^5...

A013024

sech(sinh(x)+log(x+1))=1-4/2!*x^2+6/3!*x^3+53/4!*x^4-310/5!*x^5...

Terms

    a(0) =1a(1) =0a(2) =-4a(3) =6a(4) =53a(5) =-310a(6) =-1084a(7) =21777a(8) =-16167a(9) =-2030292a(10) =13363866a(11) =218310675a(12) =-3848323263a(13) =-17777649162

External references