89404729domain: NAppears in sequencesNumber of cubic residues mod 3^n.at n=18A046631Number of cubic residues mod 9^n.at n=9A046637Number of (n+2) X (1+2) 0..2 arrays with each row and column divisible by 13, read as a base-3 number with top and left being the most significant digits.at n=16A263334