A025633 Numbers of form 8^i*9^j, with i, j >= 0.

1, 8, 9, 64, 72, 81, 512, 576, 648, 729, 4096, 4608, 5184, 5832, 6561, 32768, 36864, 41472, 46656, 52488, 59049, 262144, 294912, 331776, 373248, 419904, 472392, 531441, 2097152, 2359296, 2654208, 2985984, 3359232, 3779136, 4251528, 4782969