n^2 * a(n) = 3*(3*n-2)^2 * a(n-1), with a(0) = 1.
A276018
n^2 * a(n) = 3*(3*n-2)^2 * a(n-1), with a(0) = 1.
Terms
- a(0) =1a(1) =3a(2) =36a(3) =588a(4) =11025a(5) =223587a(6) =4769856a(7) =105423552a(8) =2391796836a(9) =55365667500
External references
- oeis: A276018