313447

Appears in sequences

• Odd n such that genus of modular curve X_0(N) is never equal to n.at n=25A054730
• Let f(n) = exp(Pi*sqrt(n)); sequence gives numbers n such that ceiling(f(n)) - f(n) < 1/10^4.at n=34A127023
• Overpseudoprimes to base 3.at n=20A141350
• Composite numbers k == 5, 7 (mod 12) such that 3^((k-1)/2) == -1 (mod k).at n=17A375918