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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 3 |
| 4 | 1 |
| 5 | 1 |
| 6 | 10 |
| 7 | 20 |
| 8 | 10 |
| 9 | 1 |
| 10 | 1 |
| 11 | 22 |
| 12 | 113 |
| 13 | 190 |
| 14 | 113 |
| 15 | 22 |
| 16 | 1 |
| 17 | 1 |
| 18 | 40 |
| 19 | 400 |
| 20 | 1456 |
| 21 | 2212 |
| 22 | 1456 |
| 23 | 400 |
| 24 | 40 |
| 25 | 1 |
| 26 | 1 |
| 27 | 65 |
| 28 | 1095 |
| 29 | 7095 |
| 30 | 20760 |
| 31 | 29484 |
| 32 | 20760 |
| 33 | 7095 |
| 34 | 1095 |
| 35 | 65 |
| 36 | 1 |
| 37 | 1 |
| 38 | 98 |
| 39 | 2541 |
| 40 | 26180 |
| 41 | 127435 |
| 42 | 320034 |
| 43 | 433092 |
| 44 | 320034 |
| 45 | 127435 |
| 46 | 26180 |
| 47 | 2541 |
| 48 | 98 |
| 49 | 1 |
| 50 | 1 |
| 51 | 140 |
| 52 | 5250 |
| 53 | 79870 |
[1,1,3,1,1,10,20,10,1,1,22,113,190,113,22,1,1,40, 400,1456,2212,1456,400,40,1,1,65,1095,7095,20760, 29484,20760,7095,1095,65,1,1,98,2541,26180,127435, 320034,433092,320034,127435,26180,2541,98,1,1,140, 5250,79870] |