31622764

Appears in sequences

• a(n)^2 is the smallest square containing exactly n 9's.at n=9A048354
• a(n)^2 + 1 is largest prime of the form x^2 + 1 <= 10^n.at n=14A083845
• a(n) = smallest number m such that decimal expansion of m^2 has exactly (n+1) digits n.at n=9A175635
• a(n)^2 is the least square that, when written in base n, has exactly n digits n-1.at n=8A342260