74499

Appears in sequences

• Numbers k such that k^2 contains only digits {0,1,5}, not ending with zero.at n=1A058415
• Smallest number m such that A118164(m) = n.at n=19A118165
• a(n) = 1250*n^2 - 700*n + 99.at n=8A154359
• a(n) = n^4/2-5*n^3/2+21*n-30.at n=19A217530