Concatenation of the terms gives natural numbers in sequence such that N-th partial concatenation is a multiple of n.
A109855
Concatenation of the terms gives natural numbers in sequence such that N-th partial concatenation is a multiple of n.
Terms
- a(0) =1a(1) =2a(2) =3a(3) =456a(4) =78910a(5) =1112a(7) =232425262728a(9) =3637383940
External references
- oeis: A109855