651821

Properties

Appears in sequences

• Indices of prime Lucas numbers.at n=60A001606
• Primes p such that floor(phi^p) is prime.at n=56A168033
• Numbers n such that the n-th Lucas number is prime, but cannot be written in the form a^2 + 7*b^2.at n=29A216538
• 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=24A216555
• 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=50A216562
• 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=48A216565
• Numbers n such that the n-th Lucas number is prime, but cannot be written in the form a^2 + b^2.at n=39A216566
• 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=43A216572
• Numbers n such that the n-th Lucas number is prime and can be written in the form a^2 + 10*b^2.at n=30A216575
• Prime numbersat n=52953