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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 10 |
| 3 | 18 |
| 4 | 6 |
| 5 | 5000 |
| 6 | 90 |
| 7 | 66339 |
| 8 | 30 |
| 9 | 288 |
| 10 | 3240 |
| 11 | 10036224 |
| 12 | 60 |
| 13 | 582160384 |
| 14 | 20412 |
| 15 | 16200 |
| 16 | 168 |
| 17 | 49030215219 |
| 18 | 612 |
| 19 | 4637065216 |
| 20 | 1520 |
| 21 | 142884 |
| 22 | 912384 |
| 23 | 98881718827959 |
| 24 | 420 |
| 25 | 7543125 |
| 26 | 479232 |
| 27 | 14112 |
| 28 | 5824 |
| 29 | 26559758051835904 |
| 30 | 104400 |
| 31 | 25796647321600 |
| 32 | 840 |
| 33 | 491774976 |
| 34 | 1268973568 |
[1,10,18,6,5000,90,66339,30,288,3240,10036224,60, 582160384,20412,16200,168,49030215219,612, 4637065216,1520,142884,912384,98881718827959,420, 7543125,479232,14112,5824,26559758051835904, 104400,25796647321600,840,491774976,1268973568] |