a(0)=0, a(1)=4; for n > 1, a(n) = 18*a(n-1) - a(n-2) + 8.
A132584
a(0)=0, a(1)=4; for n > 1, a(n) = 18*a(n-1) - a(n-2) + 8.
Terms
- a(0) =0a(1) =4a(2) =80a(3) =1444a(4) =25920a(5) =465124a(6) =8346320a(7) =149768644a(8) =2687489280a(9) =48225038404a(10) =865363202000
External references
- oeis: A132584