E.g.f.: sech(arcsin(x)+log(x+1))=1-4/2!*x^2+6/3!*x^3+53/4!*x^4-310/5!*x^5...

A012910

E.g.f.: sech(arcsin(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) =-1180a(7) =21945a(8) =-3175a(9) =-2137140a(10) =11656250a(11) =251460275a(12) =-3687426175a(13) =-28037901450a(15) =-870863209125

External references