a(n) = product of n successive numbers up to n, if n is even a(n) = n*(n-1)*.. = n!, if n is odd a(n) = n(n+1)(n+2)... 'n' terms.
A113549
a(n) = product of n successive numbers up to n, if n is even a(n) = n*(n-1)*.. = n!, if n is odd a(n) = n(n+1)(n+2)... 'n' terms.
Terms
- a(0) =1a(1) =2a(2) =60a(3) =24a(4) =15120a(5) =720a(6) =8648640a(7) =40320a(8) =8821612800a(9) =3628800a(11) =479001600a(13) =87178291200
External references
- oeis: A113549