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| n | a(n) |
|---|---|
| 1 | 2630 |
| 2 | 11321 |
| 3 | 55196 |
| 4 | 250996 |
| 5 | 1124228 |
| 6 | 5140919 |
| 7 | 23633202 |
| 8 | 108849819 |
| 9 | 502702408 |
| 10 | 2323558628 |
| 11 | 10742654676 |
| 12 | 49672088300 |
| 13 | 229690275939 |
| 14 | 1062108485208 |
| 15 | 4911279320298 |
| 16 | 22710204623110 |
| 17 | 105013833732614 |
| 18 | 485591628870469 |
[2630,11321,55196,250996,1124228,5140919,23633202, 108849819,502702408,2323558628,10742654676, 49672088300,229690275939,1062108485208, 4911279320298,22710204623110,105013833732614, 485591628870469] |