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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 1 |
| 5 | 2 |
| 6 | 3 |
| 7 | 5 |
| 8 | 7 |
| 9 | 9 |
| 10 | 12 |
| 11 | 16 |
| 12 | 24 |
| 13 | 35 |
| 14 | 50 |
| 15 | 70 |
| 16 | 96 |
| 17 | 135 |
| 18 | 190 |
| 19 | 270 |
| 20 | 383 |
| 21 | 539 |
| 22 | 759 |
| 23 | 1065 |
| 24 | 1500 |
| 25 | 2116 |
| 26 | 2985 |
| 27 | 4212 |
| 28 | 5932 |
| 29 | 8356 |
| 30 | 11770 |
| 31 | 16585 |
| 32 | 23381 |
| 33 | 32953 |
| 34 | 46445 |
| 35 | 65445 |
| 36 | 92216 |
| 37 | 129951 |
| 38 | 183129 |
| 39 | 258091 |
| 40 | 363719 |
| 41 | 512566 |
| 42 | 722316 |
| 43 | 1017886 |
| 44 | 1434445 |
| 45 | 2021476 |
[1,1,1,1,1,2,3,5,7,9,12,16,24,35,50,70,96,135,190, 270,383,539,759,1065,1500,2116,2985,4212,5932, 8356,11770,16585,23381,32953,46445,65445,92216, 129951,183129,258091,363719,512566,722316,1017886, 1434445,2021476] |