1347921domain: NAppears in sequencesExpansion of (4+49*x+108*x^2-432*x^3+54675*x^5)/((1-27*x^2)*(1-6*x+27*x^2)*(1+6*x+27*x^2)).at n=7A112533Squares that are the sum of three positive Fibonacci numbers.at n=31A179334