Expansion of -arcsin(log(cos(x))) = (1/2!)*x^2 + (2/4!)*x^4 + (31/6!)*x^6 + (692/8!)*x^8 + ...

A010789

Expansion of -arcsin(log(cos(x))) = (1/2!)*x^2 + (2/4!)*x^4 + (31/6!)*x^6 + (692/8!)*x^8 + ...

Terms

    a(0) =0a(1) =1a(2) =2a(3) =31a(4) =692a(5) =32821a(6) =2182982a(7) =220761451a(8) =29587628072

External references