387433

Properties

Appears in sequences

• Indices of prime Lucas numbers.at n=53A001606
• Primes p such that floor(phi^p) is prime.at n=49A168033
• 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=25A216538
• Numbers n such that the n-th Lucas number is prime and can be written in the form a^2 + 3*b^2.at n=32A216554
• 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=44A216562
• Numbers n such that the n-th Lucas number is prime and can be written in the form a^2 + 5*b^2.at n=11A216563
• Numbers n such that the n-th Lucas number is prime and can be written in the form a^2 + b^2.at n=19A216567
• Numbers n such that the n-th Lucas number is prime and can be written in the form a^2 + 6*b^2.at n=15A216571
• 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=26A216575
• Prime numbersat n=32870