Write 1 + sin x = Product_{n>=1} (1 + g_n * x^n); a(n) = denominator(g_n).

A170915

Write 1 + sin x = Product_{n>=1} (1 + g_n * x^n); a(n) = denominator(g_n).

Terms

    a(0) =1a(1) =1a(2) =6a(3) =6a(4) =120a(5) =120a(6) =5040a(7) =280a(8) =72576a(9) =362880a(10) =39916800a(11) =11975040a(12) =1245404160a(13) =88957440a(15) =11675664000

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