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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 3 |
| 3 | 8 |
| 4 | 4 |
| 5 | 52 |
| 6 | 126 |
| 7 | 5 |
| 8 | 184 |
| 9 | 8460 |
| 10 | 10016 |
| 11 | 6 |
| 12 | 480 |
| 13 | 143028 |
| 14 | 14394092 |
| 15 | 3648810 |
| 16 | 7 |
| 17 | 1040 |
| 18 | 1217196 |
| 19 | 1960824272 |
| 20 | 231197740500 |
| 21 | 5616280768 |
| 22 | 8 |
| 23 | 1988 |
| 24 | 6835050 |
| 25 | 82673548892 |
| 26 | 443471777729100 |
[2,3,8,4,52,126,5,184,8460,10016,6,480,143028, 14394092,3648810,7,1040,1217196,1960824272, 231197740500,5616280768,8,1988,6835050, 82673548892,443471777729100] |