n=1: [0, 2]
n=2: [0, 2, 4, 6]
n=3: [0, 2, 4, 8, 12]
n=4: [0, 2, 4, 10, 14, 20, 24]
n=5: [0, 2, 4, 16, 18, 20, 22, 24, 26, 30, 40]
n=6: [0, 2, 4, 22, 28, 32, 40, 60, 72]
n=7: [0, 2, 4, 34, 40, 46, 56, 60, 62, 72, 74, 84, 126]
n=8: [0, 2, 4, 52, 56, 58, 60, 62, 64, 66, 74, 76, 78, 84, 86, 112, 126, 128, 240]