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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 5 |
| 3 | 15 |
| 4 | 44 |
| 5 | 85 |
| 6 | 216 |
| 7 | 343 |
| 8 | 806 |
| 9 | 1299 |
| 10 | 2155 |
| 11 | 2926 |
| 12 | 7162 |
| 13 | 9477 |
| 14 | 13209 |
| 15 | 17935 |
| 16 | 37824 |
| 17 | 47957 |
| 18 | 75600 |
| 19 | 93613 |
| 20 | 138074 |
| 21 | 170730 |
| 22 | 209000 |
| 23 | 249481 |
| 24 | 635974 |
| 25 | 764425 |
| 26 | 915551 |
| 27 | 1109772 |
| 28 | 1390375 |
| 29 | 1624029 |
| 30 | 2103690 |
| 31 | 2430431 |
| 32 | 5120488 |
| 33 | 5976553 |
| 34 | 6946897 |
[1,5,15,44,85,216,343,806,1299,2155,2926,7162, 9477,13209,17935,37824,47957,75600,93613,138074, 170730,209000,249481,635974,764425,915551,1109772, 1390375,1624029,2103690,2430431,5120488,5976553, 6946897] |