Write 1/(1 + sin x) = Product_{n>=1} (1 + f_n x^n); a(n) = denominator(f_n).
A328186
Write 1/(1 + sin x) = Product_{n>=1} (1 + f_n x^n); a(n) = denominator(f_n).
Terms
- a(0) =1a(1) =1a(2) =6a(3) =6a(4) =120a(5) =360a(6) =5040a(7) =2520a(8) =72576a(9) =1814400a(10) =39916800a(11) =59875200a(12) =1245404160a(13) =21794572800a(15) =81729648000
External references
- oeis: A328186