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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 2 |
| 3 | 1 |
| 4 | 10 |
| 5 | 10 |
| 6 | 1 |
| 7 | 32 |
| 8 | 90 |
| 9 | 60 |
| 10 | 1 |
| 11 | 74 |
| 12 | 594 |
| 13 | 1040 |
| 14 | 520 |
| 15 | 1 |
| 16 | 224 |
| 17 | 2226 |
| 18 | 6684 |
| 19 | 7800 |
| 20 | 3120 |
| 21 | 1 |
| 22 | 352 |
| 23 | 12124 |
| 24 | 95304 |
| 25 | 227052 |
| 26 | 215280 |
| 27 | 71760 |
| 28 | 1 |
| 29 | 1058 |
| 30 | 38484 |
| 31 | 358656 |
| 32 | 1252980 |
| 33 | 2008152 |
| 34 | 1506960 |
| 35 | 430560 |
| 36 | 1 |
| 37 | 1348 |
| 38 | 142264 |
| 39 | 4028712 |
| 40 | 32909556 |
| 41 | 97352640 |
[1,1,2,1,10,10,1,32,90,60,1,74,594,1040,520,1,224, 2226,6684,7800,3120,1,352,12124,95304,227052, 215280,71760,1,1058,38484,358656,1252980,2008152, 1506960,430560,1,1348,142264,4028712,32909556, 97352640] |