a(n)=6*a(n-1)+42*a(n-2) for n>=3, a(0)=1, a(1)=6, a(2)=72 .
A133678
a(n)=6*a(n-1)+42*a(n-2) for n>=3, a(0)=1, a(1)=6, a(2)=72 .
Terms
- a(0) =1a(1) =6a(2) =72a(3) =684a(4) =7128a(5) =71496a(6) =728352a(7) =7372944a(8) =74828448a(9) =758634336a(10) =7694600832a(11) =78030247104a(12) =791354717568
External references
- oeis: A133678