420346573domain: NAppears in sequencesNumerators of continued fraction convergents to sqrt(293).at n=10A041550a(n) = 17*a(n-1) + a(n-2), starting with a(0) = 2 and a(1) = 17.at n=7A090306a(n) = n^7 + 7*n^5 + 14*n^3 + 7*n.at n=17A261540