a(0)=1, a(1)=9, a(n) = 18*a(n-1) - 49*a(n-2) for n > 1.
A165224
a(0)=1, a(1)=9, a(n) = 18*a(n-1) - 49*a(n-2) for n > 1.
Terms
- a(0) =1a(1) =9a(2) =113a(3) =1593a(4) =23137a(5) =338409a(6) =4957649a(7) =72655641a(8) =1064876737a(9) =15607654857a(10) =228758827313
External references
- oeis: A165224