arcsin(arctan(x)+arcsin(x))=2*x+7/3!*x^3+281/5!*x^5+26177/7!*x^7...

A012987

arcsin(arctan(x)+arcsin(x))=2*x+7/3!*x^3+281/5!*x^5+26177/7!*x^7...

Terms

    a(0) =2a(1) =7a(2) =281a(3) =26177a(4) =5040953a(5) =1583032653a(6) =746492313069

External references