a(1)=3 and a(n)=Floor[1/(n-1)^2 * a(n-1)^2].
A176163
a(1)=3 and a(n)=Floor[1/(n-1)^2 * a(n-1)^2].
Terms
- a(0) =3a(1) =9a(2) =20a(3) =44a(4) =121a(5) =585a(6) =9506a(7) =1844164a(8) =53139700920
External references
- oeis: A176163
A176163
a(1)=3 and a(n)=Floor[1/(n-1)^2 * a(n-1)^2].