a(n) = 7*a(n-1) + a(n-2), with a(0)=1 and a(1)=7.
A054413
a(n) = 7*a(n-1) + a(n-2), with a(0)=1 and a(1)=7.
Terms
- a(0) =1a(1) =7a(2) =50a(3) =357a(4) =2549a(5) =18200a(6) =129949a(7) =927843a(8) =6624850a(9) =47301793a(10) =337737401a(11) =2411463600a(12) =17217982601a(13) =122937341807a(14) =877779375250
External references
- oeis: A054413