124900domain: NAppears in sequencesDenominators of continued fraction convergents to sqrt(624).at n=7A042199a(n) = ceiling(binomial(n,6)/n).at n=41A053643Chebyshev polynomial of the second kind U(3,n).at n=25A144138Number of ways to place 3 nonattacking kings on an n X n toroidal board.at n=9A179404