a(n+2) = 8*a(n+1) + 21*a(n), with a(1)=1, a(2)=8.
A093103
a(n+2) = 8*a(n+1) + 21*a(n), with a(1)=1, a(2)=8.
Terms
- a(0) =1a(1) =8a(2) =85a(3) =848a(4) =8569a(5) =86360a(6) =870829a(7) =8780192a(8) =88528945a(9) =892615592a(10) =9000032581a(11) =90745188080a(12) =914962188841
External references
- oeis: A093103