306783379domain: NAppears in sequencesNumber of cubic residues mod 2^n.at n=29A046630Expansion of (1-x)/(1 - x - x^2 - 2*x^3).at n=30A078010Number of (n+1) X (1+1) 0..2 arrays with each row and column divisible by 7, read as a base-3 number with top and left being the most significant digits.at n=29A263366