3-smooth numbers: numbers of the form 2^i*3^j with i, j >= 0. 1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 81, 96, 108, 128, 144, 162
1 seqfan posts