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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 2 |
| 4 | 4 |
| 5 | 10 |
| 6 | 4 |
| 7 | 7 |
| 8 | 36 |
| 9 | 36 |
| 10 | 7 |
| 11 | 12 |
| 12 | 126 |
| 13 | 250 |
| 14 | 126 |
| 15 | 12 |
| 16 | 21 |
| 17 | 454 |
| 18 | 1718 |
| 19 | 1718 |
| 20 | 454 |
| 21 | 21 |
| 22 | 37 |
| 23 | 1632 |
| 24 | 11988 |
| 25 | 22946 |
| 26 | 11988 |
| 27 | 1632 |
| 28 | 37 |
| 29 | 65 |
| 30 | 5854 |
| 31 | 83518 |
| 32 | 311144 |
| 33 | 311144 |
| 34 | 83518 |
| 35 | 5854 |
| 36 | 65 |
| 37 | 114 |
| 38 | 21010 |
| 39 | 581518 |
| 40 | 4217066 |
| 41 | 8222576 |
| 42 | 4217066 |
| 43 | 581518 |
| 44 | 21010 |
| 45 | 114 |
| 46 | 200 |
| 47 | 75412 |
[1,2,2,4,10,4,7,36,36,7,12,126,250,126,12,21,454, 1718,1718,454,21,37,1632,11988,22946,11988,1632, 37,65,5854,83518,311144,311144,83518,5854,65,114, 21010,581518,4217066,8222576,4217066,581518,21010, 114,200,75412] |