595077871104domain: NAppears in sequencesProduct of three solutions of the Diophantine equation x^2 - y^2 = z^3.at n=17A085482Denominators of partial sums of Catalan numbers scaled by powers of 1/18^2 = 1/324.at n=5A121001a(n) = 3*a(n-1) if n is odd, otherwise 6*a(n-1).at n=19A130505