1069425

Appears in sequences

• Odd 9-gonal (nonagonal) pyramidal numbers.at n=24A218328
• Odd nonsquares k for which A161942(k) >= k, where A161942 is the odd part of sigma.at n=28A348743
• Odd nondeficient numbers of the form p^(1+4k) * r^2, where p is prime of the form 1+4m, r > 1, and gcd(p,r) = 1.at n=28A386427