231703
domain: N
Appears in sequences
- Composite n such that Fibonacci(n) == Legendre(n,5) == -1 (mod n).at n=21A094063
- Odd composite n such that n divides Fibonacci(n) + 1.at n=11A094395
- Composite numbers k that divide both Fibonacci(k+1) and Fibonacci(k) + 1.at n=8A094411
- Semiprimes k that divide Fibonacci(k+1).at n=28A177745
- Frobenius pseudoprimes == 2,3 (mod 5) with respect to Fibonacci polynomial x^2 - x - 1.at n=7A212423
- Frobenius pseudoprimes with respect to Fibonacci polynomial x^2 - x - 1.at n=26A212424
- Strong Lucas pseudoprimes.at n=27A217255
- Extra strong Lucas pseudoprimes.at n=23A217719
- Odd composite integers m such that F(m)^2 == 1 (mod m) and L(m) == 1 (mod m), where F(m) and L(m) are the m-th Fibonacci and Lucas numbers, respectively.at n=33A337625