920205

Appears in sequences

• Denominators of rationals related to John Wallis' product formula for Pi/2 (from his 'Arithmetica infinitorum' from 1659).at n=6A120995
• Odd nonsquares k for which A161942(k) >= k, where A161942 is the odd part of sigma.at n=23A348743
• 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=23A386427