49953

Appears in sequences

• Numbers n of the form p^2+p+1 (for prime p) such that n^2+n+1 is also prime.at n=6A237360
• Least integer k such that the n-th prime of form m^2+1 divides the composite number k^2+1.at n=37A255675
• Let g(p,k) = Sum_{0<=j<=k} p^j. Numbers that can be represented as g(p,k) and also as g(q,i)+g(r,j) with p,q,r prime and k,i,j>=2.at n=4A338877