11793626domain: NAppears in sequencesNumerators of continued fraction convergents to sqrt(672).at n=9A042292a(n) = 26*a(n-1) - a(n-2), starting with a(0) = 2 and a(1) = 26.at n=5A090247a(n) = n^5 - 5*n^3 + 5*n.at n=25A230586