A025615 Numbers of form 3^i*8^j, with i, j >= 0.

1, 3, 8, 9, 24, 27, 64, 72, 81, 192, 216, 243, 512, 576, 648, 729, 1536, 1728, 1944, 2187, 4096, 4608, 5184, 5832, 6561, 12288, 13824, 15552, 17496, 19683, 32768, 36864, 41472, 46656, 52488, 59049, 98304, 110592, 124416, 139968, 157464, 177147, 262144