a(1) = a(2) = 1, a(n) is largest prime factor of concatenation of a(n - 2) and a(n - 1).
A034969
a(1) = a(2) = 1, a(n) is largest prime factor of concatenation of a(n - 2) and a(n - 1).
Terms
- a(0) =1a(1) =1a(2) =11a(3) =37a(4) =379a(5) =37379a(6) =130369a(7) =463a(8) =12277a(9) =4210207a(10) =1015309a(12) =7522851571
External references
- oeis: A034969