a(n) = a(n-1) concatenated with the smallest number k, such that a(n) is divisible by lcm(1..n).

A336401

a(n) = a(n-1) concatenated with the smallest number k, such that a(n) is divisible by lcm(1..n).

Terms

    a(0) =1a(1) =10a(2) =102a(3) =1020a(4) =10200a(5) =102000a(6) =102000360a(7) =1020003600

External references