Product_{n>=1} (1 + a(n)*x^n) = 1 + 1!!*x + 3!!*x^2 + 5!!*x^3 + 7!!*x^4 + ...
A363254
Product_{n>=1} (1 + a(n)*x^n) = 1 + 1!!*x + 3!!*x^2 + 5!!*x^3 + 7!!*x^4 + ...
Terms
- a(0) =1a(1) =3a(2) =12a(3) =93a(4) =816a(5) =9264a(6) =122028a(7) =1863849a(8) =32001504a(9) =614224272a(10) =12989299596a(11) =300599511744
External references
- oeis: A363254