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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 12 |
| 3 | 6 |
| 4 | 3 |
| 5 | 34 |
| 6 | 17 |
| 7 | 1718 |
| 8 | 859 |
| 9 | 859860 |
| 10 | 429930 |
| 11 | 214965 |
| 12 | 214965214966 |
| 13 | 107482607483 |
| 14 | 107482607483107482607484 |
| 15 | 53741303741553741303742 |
| 16 | 26870651870776870651871 |
| 17 | 2687065187077687065187126870651870776870651872 |
[1,12,6,3,34,17,1718,859,859860,429930,214965, 214965214966,107482607483, 107482607483107482607484,53741303741553741303742, 26870651870776870651871, 2687065187077687065187126870651870776870651872] |