61673

Properties

Appears in sequences

• Numbers k such that the continued fraction for sqrt(k) has odd period and if the last term of the periodic part is deleted the two central terms are both 38.at n=6A031626
• Primes of the form 16*m^2 + 169, m=1,2,3,...at n=20A087862
• a(n) is the smallest prime p such that 1 + 2^n*p is divisible by the following prime, or 0 if no such prime exists.at n=36A087986
• Prime numbers that have a dodecagonal (12 sides) Voronoi cell in the Voronoi diagram of the Ulam prime spiral.at n=0A257749
• Prime numbersat n=6206