637751

Properties

Appears in sequences

• Indices of prime Lucas numbers.at n=59A001606
• Primes p such that floor(phi^p) is prime.at n=55A168033
• Numbers n such that the n-th Lucas number is prime and can be written in the form a^2 + 7*b^2.at n=30A216537
• Numbers n such that the n-th Lucas number is prime, but cannot be written in the form a^2 + 3*b^2.at n=23A216555
• Numbers n such that the n-th Lucas number is prime and can be written in the form a^2 + 2*b^2.at n=49A216562
• Numbers n such that the n-th Lucas number is prime, but cannot be written in the form a^2 + 5*b^2.at n=47A216565
• Numbers n such that the n-th Lucas number is prime, but cannot be written in the form a^2 + b^2.at n=38A216566
• Numbers n such that the n-th Lucas number is prime, but cannot be written in the form a^2 + 6*b^2.at n=42A216572
• Numbers n such that n-th Lucas number is prime, but cannot be written in the form a^2 + 10*b^2.at n=29A216576
• Prime-indexed primes p such that Lucas(p) is prime.at n=10A277290
• Prime numbersat n=51929