a(n) = L(n)*a(n-1) + a(n-2) with a(0) = a(1) = 1 and L(n) the Lucas numbers A000032.
A337521
a(n) = L(n)*a(n-1) + a(n-2) with a(0) = a(1) = 1 and L(n) the Lucas numbers A000032.
Terms
- a(0) =1a(1) =1a(2) =4a(3) =17a(4) =123a(5) =1370a(6) =24783a(7) =720077a(8) =33868402a(9) =2574718629a(10) =316724259769
External references
- oeis: A337521