113490317domain: NAppears in sequencesDenominators of continued fraction convergents to sqrt(125).at n=14A041227Denominators of continued fraction convergents to sqrt(500).at n=20A041955a(n) = F(n) / Product_{p|n} F(p), where F(k) is k-th Fibonacci number and the p's in product are the distinct primes dividing n.at n=44A051348