a(1) = 1; a(2) = 2; a(3) = 3; a(n) is concatenation of a(n-3), a(n-2) and a(n-1).
A065841
a(1) = 1; a(2) = 2; a(3) = 3; a(n) is concatenation of a(n-3), a(n-2) and a(n-1).
Terms
- a(0) =1a(1) =2a(2) =3a(3) =123a(4) =23123a(5) =312323123
External references
- oeis: A065841