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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 4 |
| 3 | 17 |
| 4 | 46 |
| 5 | 89 |
| 6 | 154 |
| 7 | 251 |
| 8 | 374 |
| 9 | 531 |
| 10 | 736 |
| 11 | 979 |
| 12 | 1268 |
| 13 | 1621 |
| 14 | 2024 |
| 15 | 2485 |
| 16 | 3026 |
| 17 | 3629 |
| 18 | 4302 |
| 19 | 5071 |
| 20 | 5914 |
| 21 | 6839 |
| 22 | 7876 |
| 23 | 8999 |
| 24 | 10216 |
| 25 | 11561 |
| 26 | 13004 |
| 27 | 14553 |
| 28 | 16246 |
| 29 | 18049 |
| 30 | 19970 |
| 31 | 22051 |
| 32 | 24254 |
| 33 | 26587 |
| 34 | 29096 |
| 35 | 31739 |
| 36 | 34524 |
| 37 | 37501 |
| 38 | 40624 |
| 39 | 43901 |
[0,1,4,17,46,89,154,251,374,531,736,979,1268,1621, 2024,2485,3026,3629,4302,5071,5914,6839,7876,8999, 10216,11561,13004,14553,16246,18049,19970,22051, 24254,26587,29096,31739,34524,37501,40624,43901] |