10745088481domain: NAppears in sequencesa(n) = L(7*n)/L(n) where L(n) = Lucas number A000204(n).at n=7A153175Second-smallest prime factor of the n-th Lucas number (beginning with 2), if composite, or 1 otherwise.at n=56A194086Primes that are Lucas primes, or that can be written as the quotient of Lucas numbers.at n=34A201011