285121

Properties

Appears in sequences

• Primes with 34 as smallest positive primitive root.at n=7A061737
• Number of permutations satisfying -k <= p(i)-i <= r and p(i)-i not in I, i=1..n, with k=1, r=4, I={1,2}.at n=33A079972
• Expansion of g.f. x*(1 - x)*(1 + x)/((x^2 + 3*x + 1)*(x^2 - 4*x + 1)).at n=11A171067
• Primes p such that p = 2*phi(sigma((p-1)/2))+1.at n=5A260476
• Numbers k such that k = 2*phi(sigma((k-1)/2)) + 1.at n=9A266165
• Prime numbersat n=24854