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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 6 |
| 5 | 1 |
| 6 | 1 |
| 7 | 15 |
| 8 | 15 |
| 9 | 1 |
| 10 | 1 |
| 11 | 36 |
| 12 | 54 |
| 13 | 36 |
| 14 | 1 |
| 15 | 1 |
| 16 | 85 |
| 17 | 170 |
| 18 | 170 |
| 19 | 85 |
| 20 | 1 |
| 21 | 1 |
| 22 | 198 |
| 23 | 495 |
| 24 | 660 |
| 25 | 495 |
| 26 | 198 |
| 27 | 1 |
| 28 | 1 |
| 29 | 455 |
| 30 | 1365 |
| 31 | 2275 |
| 32 | 2275 |
| 33 | 1365 |
| 34 | 455 |
| 35 | 1 |
| 36 | 1 |
| 37 | 1032 |
| 38 | 3612 |
| 39 | 7224 |
| 40 | 9030 |
| 41 | 7224 |
| 42 | 3612 |
| 43 | 1032 |
| 44 | 1 |
| 45 | 1 |
| 46 | 2313 |
| 47 | 9252 |
| 48 | 21588 |
| 49 | 32382 |
| 50 | 32382 |
| 51 | 21588 |
| 52 | 9252 |
| 53 | 2313 |
| 54 | 1 |
| 55 | 1 |
| 56 | 5130 |
| 57 | 23085 |
[1,1,1,1,6,1,1,15,15,1,1,36,54,36,1,1,85,170,170, 85,1,1,198,495,660,495,198,1,1,455,1365,2275,2275, 1365,455,1,1,1032,3612,7224,9030,7224,3612,1032,1, 1,2313,9252,21588,32382,32382,21588,9252,2313,1,1, 5130,23085] |