29306

Appears in sequences

• Numbers k such that the continued fraction for sqrt(k) has period 85.at n=24A020424
• a(n) = Sum_{k=0..floor(n/2)} T(n-k,k), T given by A026780.at n=18A026790
• Numbers n such that 87*2^n-1 is prime.at n=40A050569
• Numbers n such that 4*10^n + 5*R_n + 2 is prime, where R_n = 11...1 is the repunit (A002275) of length n.at n=20A102992