81839

Properties

Appears in sequences

• Indices of prime Fibonacci numbers.at n=32A001605
• Number of factorization patterns of polynomials of degree n over F_2.at n=33A006167
• Numbers n such that 137 * 2^n + 1 is a prime.at n=13A032418
• Prime indices of prime Fibonacci numbers.at n=31A083668
• a(n) = numerator of b(n): b(n) = the maximum possible value for a continued fraction whose terms are a permutation of the terms of the simple continued fraction for H(n) = sum{k=1 to n} 1/k, the n-th harmonic number.at n=10A129082
• Numbers n such that the n-th Fibonacci number is prime and can be written in the form a^2 + 7*b^2.at n=17A216535
• Numbers n such that the n-th Fibonacci number is prime and can be written in the form a^2 + 3*b^2.at n=17A216552
• Numbers n such that the n-th Fibonacci number is prime and can be written in the form a^2 + 2*b^2.at n=18A216558
• Numbers n such that the n-th Fibonacci number is prime and can be written in the form a^2 + 5*b^2.at n=15A216559
• Numbers n such that the n-th Fibonacci number is prime and can be written in the form a^2 + 6*b^2.at n=10A216569
• Numbers k such that Fibonacci(k) is prime and can be written in the form a^2 + 10*b^2.at n=8A216573
• Primes p such that 100p-1, 100p-3, 100p-7, and 100p-9 are all prime.at n=14A243409
• a(n) is the least prime p such that (p^2-2*n)/(2*n-1) and (p^2+2*n)/(2*n+1) are both prime, or 0 if such p does not exist.at n=14A344463
• Prime numbersat n=8002