111230

Appears in sequences

• Smallest number containing exactly n distinct numbers in its decimal representation.at n=17A120005
• Numbers n such that both n and n^2 contain "123" as a substring.at n=6A268278
• a(n) = coefficient of x^n in A(x) such that x^2 = Sum_{n=-oo..+oo} x^(n*(3*n+1)/2) * (A(x)^(3*n) - 1/A(x)^(3*n+1)).at n=11A359919