a(n)=8*a(n-1)+72*a(n-2) for n>=3, a(0)=1, a(1)=8, a(2)=128 .
A133680
a(n)=8*a(n-1)+72*a(n-2) for n>=3, a(0)=1, a(1)=8, a(2)=128 .
Terms
- a(0) =1a(1) =8a(2) =128a(3) =1600a(4) =22016a(5) =291328a(6) =3915776a(7) =52301824a(8) =700350464a(9) =9368535040a(10) =125373513728
External references
- oeis: A133680