| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 3 |
| 3 | 4 |
| 4 | 5 |
| 5 | 6 |
| 6 | 8 |
| 7 | 10 |
| 8 | 12 |
| 9 | 384 |
| 10 | 640 |
| 11 | 768 |
| 12 | 896 |
| 13 | 960 |
| 14 | 24576 |
| 15 | 49152 |
| 16 | 950272 |
| 17 | 1425408 |
| 18 | 1572864 |
| 19 | 3145728 |
| 20 | 10485760 |
| 21 | 19398656 |
| 22 | 65011712 |
| 23 | 100663296 |
| 24 | 110057537 |
| 25 | 201326592 |
| 26 | 220115074 |
| 27 | 671088640 |
| 28 | 1879048192 |
[1,3,4,5,6,8,10,12,384,640,768,896,960,24576, 49152,950272,1425408,1572864,3145728,10485760, 19398656,65011712,100663296,110057537,201326592, 220115074,671088640,1879048192] |