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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 8 |
| 3 | 30 |
| 4 | 68 |
| 5 | 126 |
| 6 | 319 |
| 7 | 574 |
| 8 | 1056 |
| 9 | 1637 |
| 10 | 2680 |
| 11 | 3831 |
| 12 | 6128 |
| 13 | 8009 |
| 14 | 11470 |
| 15 | 16268 |
| 16 | 21291 |
| 17 | 27053 |
| 18 | 38153 |
| 19 | 45572 |
| 20 | 60387 |
| 21 | 76232 |
| 22 | 91972 |
| 23 | 111404 |
| 24 | 147638 |
| 25 | 163299 |
| 26 | 201881 |
| 27 | 250753 |
| 28 | 285550 |
[1,8,30,68,126,319,574,1056,1637,2680,3831,6128, 8009,11470,16268,21291,27053,38153,45572,60387, 76232,91972,111404,147638,163299,201881,250753, 285550] |