110177domain: NAppears in sequencesSolutions k of the equation phi(k) = phi(k-1) + phi(k-2). Also known as Phibonacci numbers.at n=31A065557Composite numbers k such that phi(k) = phi(k-1) + phi(k-2).at n=7A065572Numbers with sum of digits equaling 17, divisible by 17, and containing the string "17".at n=12A346904