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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 1 |
| 5 | 1 |
| 6 | 1 |
| 7 | 1 |
| 8 | 1 |
| 9 | 1 |
| 10 | 2 |
| 11 | 2 |
| 12 | 3 |
| 13 | 3 |
| 14 | 4 |
| 15 | 5 |
| 16 | 9 |
| 17 | 28 |
| 18 | 45 |
| 19 | 72 |
| 20 | 111 |
| 21 | 329 |
| 22 | 415 |
| 23 | 846 |
| 24 | 1488 |
| 25 | 5684 |
| 26 | 1895742 |
| 27 | 2890879 |
| 28 | 5388452 |
| 29 | 18083303 |
| 30 | 30915293 |
| 31 | 32699271 |
| 32 | 38719784 |
| 33 | 70637726 |
| 34 | 118179186 |
| 35 | 151342409 |
| 36 | 995604288 |
| 37 | 1839673662 |
| 38 | 5342025157 |
[1,1,1,1,1,1,1,1,1,2,2,3,3,4,5,9,28,45,72,111,329, 415,846,1488,5684,1895742,2890879,5388452, 18083303,30915293,32699271,38719784,70637726, 118179186,151342409,995604288,1839673662, 5342025157] |