430127
domain: N
Appears in sequences
- Composite n such that Fibonacci(n) == Legendre(n,5) == -1 (mod n).at n=27A094063
- Odd composite n such that n divides Fibonacci(n) + 1.at n=13A094395
- Composite numbers k that divide both Fibonacci(k+1) and Fibonacci(k) + 1.at n=9A094411
- Semiprimes k that divide Fibonacci(k+1).at n=36A177745
- Frobenius pseudoprimes == 2,3 (mod 5) with respect to Fibonacci polynomial x^2 - x - 1.at n=8A212423
- Extra strong Lucas pseudoprimes.at n=27A217719