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| n | a(n) |
|---|---|
| 1 | 8 |
| 2 | 223 |
| 3 | 1790 |
| 4 | 8274 |
| 5 | 27854 |
| 6 | 76237 |
| 7 | 180292 |
| 8 | 382404 |
| 9 | 745548 |
| 10 | 1359083 |
| 11 | 2345266 |
| 12 | 3866486 |
| 13 | 6133218 |
| 14 | 9412697 |
| 15 | 14038312 |
| 16 | 20419720 |
| 17 | 29053680 |
| 18 | 40535607 |
| 19 | 55571846 |
| 20 | 74992666 |
| 21 | 99765974 |
| 22 | 131011749 |
| 23 | 170017196 |
| 24 | 218252620 |
| 25 | 277388020 |
| 26 | 349310403 |
[8,223,1790,8274,27854,76237,180292,382404,745548, 1359083,2345266,3866486,6133218,9412697,14038312, 20419720,29053680,40535607,55571846,74992666, 99765974,131011749,170017196,218252620,277388020, 349310403] |