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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 395 |
| 3 | 2258 |
| 4 | 11177 |
| 5 | 39066 |
| 6 | 115437 |
| 7 | 954986 |
| 8 | 5101909 |
| 9 | 18786744 |
| 10 | 56431603 |
| 11 | 142215998 |
| 12 | 319891307 |
| 13 | 652627222 |
| 14 | 1647080797 |
| 15 | 3703318802 |
| 16 | 7684619675 |
| 17 | 14642811994 |
[2,395,2258,11177,39066,115437,954986,5101909, 18786744,56431603,142215998,319891307,652627222, 1647080797,3703318802,7684619675,14642811994] |