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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 3 |
| 2 | 2 |
| 3 | 10 |
| 4 | 10 |
| 5 | 5 |
| 6 | 35 |
| 7 | 42 |
| 8 | 35 |
| 9 | 13 |
| 10 | 126 |
| 11 | 168 |
| 12 | 180 |
| 13 | 117 |
| 14 | 34 |
| 15 | 462 |
| 16 | 660 |
| 17 | 825 |
| 18 | 715 |
| 19 | 374 |
| 20 | 89 |
| 21 | 1716 |
| 22 | 2574 |
| 23 | 3575 |
| 24 | 3718 |
| 25 | 2652 |
| 26 | 1157 |
| 27 | 233 |
| 28 | 6435 |
| 29 | 10010 |
| 30 | 15015 |
| 31 | 17745 |
| 32 | 15470 |
| 33 | 9345 |
| 34 | 3495 |
| 35 | 610 |
| 36 | 24310 |
| 37 | 38896 |
| 38 | 61880 |
| 39 | 80444 |
| 40 | 80920 |
| 41 | 60520 |
| 42 | 31688 |
| 43 | 10370 |
| 44 | 1597 |
| 45 | 92378 |
[1,3,2,10,10,5,35,42,35,13,126,168,180,117,34,462, 660,825,715,374,89,1716,2574,3575,3718,2652,1157, 233,6435,10010,15015,17745,15470,9345,3495,610, 24310,38896,61880,80444,80920,60520,31688,10370, 1597,92378] |