22234

Appears in sequences

• Nonsquare values of m in the discriminant D = 4*m leading to a new maximum of the L-function of the Dirichlet series L(1) = Sum_{k>0} Kronecker(D,k)/k.at n=36A003421
• 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 11.at n=25A031599
• Numbers whose set of base-9 digits is {3,4}.at n=37A032833
• Numbers k such that the k-th prime + k is a cube.at n=7A076147
• Least number whose least prime quadratic nonresidue is prime(n).at n=11A112304
• Triangular array read by rows. T(n,k) is the number of size k connected components over all simple unlabeled graphs with n nodes; n>=1,1<=k<=n.at n=52A224065
• a(n) = 87*2^n - 38 (n>=0).at n=8A304171
• Composite numbers k such that k-A238525(k) and k+A238525(k) are prime.at n=46A342648