a(n) = 20*a(n-1) - 64*a(n-2) + 1 for n > 2; a(0) = 1, a(1) = 22, a(2) = 376.
A167120
a(n) = 20*a(n-1) - 64*a(n-2) + 1 for n > 2; a(0) = 1, a(1) = 22, a(2) = 376.
Terms
- a(0) =1a(1) =22a(2) =376a(3) =6113a(4) =98197a(5) =1572709a(6) =25169573a(7) =402738085a(8) =6443909029a(9) =103102943141
External references
- oeis: A167120