167691

Appears in sequences

• a(n) = Lucas(n+4) - (3*n+7).at n=20A023537
• a(n) = Lucas(2*n+3) - (6*n+4).at n=10A027000
• Numbers n of the form p^2+p+1 (for prime p) such that n^2+n+1 is also prime.at n=10A237360