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| n | a(n) |
|---|---|
| 1 | 105 |
| 2 | 1689 |
| 3 | 12139 |
| 4 | 57379 |
| 5 | 208054 |
| 6 | 626934 |
| 7 | 1646778 |
| 8 | 3889578 |
| 9 | 8439783 |
| 10 | 17085783 |
| 11 | 32645613 |
| 12 | 59394517 |
| 13 | 103613692 |
| 14 | 174281212 |
| 15 | 283927812 |
| 16 | 449681892 |
| 17 | 694529781 |
| 18 | 1048818981 |
| 19 | 1552033791 |
| 20 | 2254874391 |
| 21 | 3221672146 |
| 22 | 4533175570 |
| 23 | 6289743070 |
[105,1689,12139,57379,208054,626934,1646778, 3889578,8439783,17085783,32645613,59394517, 103613692,174281212,283927812,449681892,694529781, 1048818981,1552033791,2254874391,3221672146, 4533175570,6289743070] |