a(n) = ((8 + sqrt(2))^n + (8 - sqrt(2))^n)/2.
A147959
a(n) = ((8 + sqrt(2))^n + (8 - sqrt(2))^n)/2.
Terms
- a(0) =1a(1) =8a(2) =66a(3) =560a(4) =4868a(5) =43168a(6) =388872a(7) =3545536a(8) =32618512a(9) =302072960a(10) =2810819616a(11) =26244590336a(12) =245642629184
External references
- oeis: A147959