616787

Properties

Appears in sequences

• Indices of prime Lucas numbers.at n=57A001606
• Primes p such that the number of primes less than p equal to 1 mod 4 is one less than the number of primes less than p equal to 3 mod 4.at n=27A096448
• Primes p such that floor(phi^p) is prime.at n=53A168033
• 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=29A216537
• 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=35A216554
• 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=47A216562
• 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=45A216565
• Numbers n such that the n-th Lucas number is prime, but cannot be written in the form a^2 + b^2.at n=36A216566
• 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=16A216571
• Numbers n such that n-th Lucas number is prime, but cannot be written in the form a^2 + 10*b^2.at n=28A216576
• Number of (n+6)X13 0..1 matrices with each 7X7 subblock idempotent.at n=21A224587
• Primes p = prime(k) such that 0 = Sum_{j=1..k} T(k, j) where T(n, k) = K(prime(n), prime(k)) * K(prime(k), prime(n)) and K is the Kronecker symbol.at n=18A373225
• Prime numbersat n=50373