19140625

Appears in sequences

• a(n) = 5^n*(n^3 - 3*n^2 + 2*n + 750)/750.at n=10A081916
• (2*3^(n-1)+1)^2.at n=7A169724
• Automorphic numbers: n^2 ends with n in base 15 (written in base 10).at n=14A201921