| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 3 |
| 3 | 6 |
| 4 | 35 |
| 5 | 15 |
| 6 | 495 |
| 7 | 28 |
| 8 | 1365 |
| 9 | 286 |
| 10 | 3060 |
| 11 | 66 |
| 12 | 376740 |
| 13 | 91 |
| 14 | 10626 |
| 15 | 10626 |
| 16 | 169911 |
| 17 | 153 |
| 18 | 3262623 |
| 19 | 190 |
| 20 | 5245786 |
| 21 | 35960 |
| 22 | 58905 |
| 23 | 276 |
| 24 | 2558620845 |
| 25 | 4495 |
| 26 | 111930 |
| 27 | 91390 |
| 28 | 32468436 |
| 29 | 435 |
| 30 | 11969016345 |
| 31 | 496 |
| 32 | 67945521 |
| 33 | 194580 |
| 34 | 316251 |
| 35 | 194580 |
| 36 | 783768050065 |
| 37 | 703 |
| 38 | 487635 |
[1,3,6,35,15,495,28,1365,286,3060,66,376740,91, 10626,10626,169911,153,3262623,190,5245786,35960, 58905,276,2558620845,4495,111930,91390,32468436, 435,11969016345,496,67945521,194580,316251,194580, 783768050065,703,487635] |