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| n | a(n) |
|---|---|
| 1 | 10 |
| 2 | 198 |
| 3 | 1500 |
| 4 | 6916 |
| 5 | 23526 |
| 6 | 65226 |
| 7 | 156184 |
| 8 | 335016 |
| 9 | 659682 |
| 10 | 1213102 |
| 11 | 2109492 |
| 12 | 3501420 |
| 13 | 5587582 |
| 14 | 8621298 |
| 15 | 12919728 |
| 16 | 18873808 |
| 17 | 26958906 |
| 18 | 37746198 |
| 19 | 51914764 |
| 20 | 70264404 |
| 21 | 93729174 |
| 22 | 123391642 |
| 23 | 160497864 |
| 24 | 206473080 |
| 25 | 262938130 |
| 26 | 331726590 |
[10,198,1500,6916,23526,65226,156184,335016, 659682,1213102,2109492,3501420,5587582,8621298, 12919728,18873808,26958906,37746198,51914764, 70264404,93729174,123391642,160497864,206473080, 262938130,331726590] |