181335domain: NAppears in sequencesa(n) = A077702(n+1)/A077702(n).at n=25A077703a(n) = A088418(n+1)/A088418(n).at n=25A088419Absolute differences between A109441 and A100948.at n=23A120722Numbers k such that k and k^2 use only the digits 1, 2, 3, 5 and 8.at n=38A136976