603060

Appears in sequences

• Consider the smallest denominator q such that the Sylvester expansion of n/q has n terms. Here q has the form q = k*n+1 and we set a(n) = k.at n=23A098853
• Numbers k such that k and k^2 use only the digits 0, 1, 3, 6 and 8.at n=27A136849