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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 12 |
| 3 | 12 |
| 4 | 76 |
| 5 | 206 |
| 6 | 76 |
| 7 | 492 |
| 8 | 3838 |
| 9 | 3838 |
| 10 | 492 |
| 11 | 3212 |
| 12 | 74582 |
| 13 | 213328 |
| 14 | 74582 |
| 15 | 3212 |
| 16 | 21036 |
| 17 | 1481214 |
| 18 | 12510524 |
| 19 | 12510524 |
| 20 | 1481214 |
| 21 | 21036 |
| 22 | 137932 |
| 23 | 29737425 |
| 24 | 757941274 |
| 25 | 2223874372 |
| 26 | 757941274 |
| 27 | 29737425 |
| 28 | 137932 |
| 29 | 904812 |
| 30 | 600187403 |
| 31 | 46796529288 |
[2,12,12,76,206,76,492,3838,3838,492,3212,74582, 213328,74582,3212,21036,1481214,12510524,12510524, 1481214,21036,137932,29737425,757941274, 2223874372,757941274,29737425,137932,904812, 600187403,46796529288] |