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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 2 |
| 4 | 4 |
| 5 | 8 |
| 6 | 15 |
| 7 | 26 |
| 8 | 45 |
| 9 | 71 |
| 10 | 110 |
| 11 | 168 |
| 12 | 247 |
| 13 | 351 |
| 14 | 503 |
| 15 | 700 |
| 16 | 944 |
| 17 | 1294 |
| 18 | 1719 |
| 19 | 2267 |
| 20 | 2961 |
| 21 | 3839 |
| 22 | 4891 |
| 23 | 6297 |
| 24 | 7891 |
| 25 | 9912 |
| 26 | 12347 |
| 27 | 15381 |
| 28 | 18784 |
| 29 | 23203 |
| 30 | 28138 |
| 31 | 34233 |
| 32 | 41275 |
| 33 | 49824 |
| 34 | 59306 |
| 35 | 71309 |
| 36 | 84268 |
| 37 | 100127 |
| 38 | 118045 |
| 39 | 139472 |
| 40 | 162659 |
[1,1,2,4,8,15,26,45,71,110,168,247,351,503,700, 944,1294,1719,2267,2961,3839,4891,6297,7891,9912, 12347,15381,18784,23203,28138,34233,41275,49824, 59306,71309,84268,100127,118045,139472,162659] |