cos(arcsin(x)*arcsin(x))=1-12/4!*x^4-240/6!*x^6-7728/8!*x^8...

A012344

cos(arcsin(x)*arcsin(x))=1-12/4!*x^4-240/6!*x^6-7728/8!*x^8...

Terms

    a(0) =1a(1) =0a(2) =-12a(3) =-240a(4) =-7728a(5) =-428160a(6) =-37912512a(7) =-4960720128a(8) =-901797013248

External references