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| n | a(n) |
|---|---|
| 2 | 0 |
| 3 | 2 |
| 4 | 6 |
| 5 | 12 |
| 6 | 19 |
| 7 | 27 |
| 8 | 39 |
| 9 | 51 |
| 10 | 65 |
| 11 | 81 |
| 12 | 98 |
| 13 | 116 |
| 14 | 139 |
| 15 | 163 |
| 16 | 188 |
| 17 | 214 |
| 18 | 242 |
| 19 | 272 |
| 20 | 303 |
| 21 | 335 |
| 22 | 375 |
| 23 | 413 |
| 24 | 453 |
[0,2,6,12,19,27,39,51,65,81,98,116,139,163,188, 214,242,272,303,335,375,413,453] |