303101domain: NAppears in sequencesComposite n such that n divides both Fibonacci(n-1) and Fibonacci(n) - 1.at n=29A094401Semiprimes k that divide Fibonacci(k-1).at n=30A177086Frobenius pseudoprimes == 1,4 (mod 5) with respect to Fibonacci polynomial x^2 - x - 1.at n=26A319168