Write sin(x)/x = Product_{n>=1} (1 + g_n*x^(2*n)); a(n) = denominator(g_n).
A170917
Write sin(x)/x = Product_{n>=1} (1 + g_n*x^(2*n)); a(n) = denominator(g_n).
Terms
- a(0) =6a(1) =120a(2) =840a(3) =362880a(4) =14968800a(5) =9340531200a(6) =49037788800
External references
- oeis: A170917