65141

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 20.at n=16A031608
• Primes of the form 2n^2+14n+5.at n=29A154577
• Expansion of g.f. (1 - theta_4(x))/2 / Product_{n>=1} (1 - x^(2*n))^3.at n=32A370150
• Prime numbersat n=6509