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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 3 |
| 3 | 6 |
| 4 | 4 |
| 5 | 22 |
| 6 | 20 |
| 7 | 5 |
| 8 | 60 |
| 9 | 322 |
| 10 | 70 |
| 11 | 6 |
| 12 | 135 |
| 13 | 3232 |
| 14 | 12958 |
| 15 | 252 |
| 16 | 7 |
| 17 | 266 |
| 18 | 21331 |
| 19 | 1058494 |
| 20 | 2179956 |
| 21 | 924 |
| 22 | 8 |
| 23 | 476 |
| 24 | 103222 |
| 25 | 35452250 |
| 26 | 3062815568 |
| 27 | 1976588468 |
| 28 | 3432 |
| 29 | 9 |
| 30 | 792 |
| 31 | 397460 |
| 32 | 637396928 |
| 33 | 843211336888 |
| 34 | 90462380211862 |
| 35 | 10811999412826 |
| 36 | 12870 |
| 37 | 10 |
[2,3,6,4,22,20,5,60,322,70,6,135,3232,12958,252,7, 266,21331,1058494,2179956,924,8,476,103222, 35452250,3062815568,1976588468,3432,9,792,397460, 637396928,843211336888,90462380211862, 10811999412826,12870,10] |