a(n) = ((8 + sqrt(3))^n + (8 - sqrt(3))^n)/2.

A152055

a(n) = ((8 + sqrt(3))^n + (8 - sqrt(3))^n)/2.

Terms

    a(0) =1a(1) =8a(2) =67a(3) =584a(4) =5257a(5) =48488a(6) =455131a(7) =4324328a(8) =41426257a(9) =399036104a(10) =3857575987a(11) =37380013448a(12) =362768079961

External references