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| n | a(n) |
|---|---|
| 0 | 3 |
| 1 | 19 |
| 2 | 133 |
| 3 | 1009 |
| 4 | 8113 |
| 5 | 67849 |
| 6 | 582193 |
| 7 | 5079289 |
| 8 | 44791873 |
| 9 | 397760329 |
| 10 | 3548299153 |
| 11 | 31748050969 |
| 12 | 284623096033 |
| 13 | 2554993631209 |
| 14 | 22955425054513 |
| 15 | 206362390821049 |
| 16 | 1855845593726593 |
| 17 | 16694125538980489 |
| 18 | 150196263973144273 |
[3,19,133,1009,8113,67849,582193,5079289,44791873, 397760329,3548299153,31748050969,284623096033, 2554993631209,22955425054513,206362390821049, 1855845593726593,16694125538980489, 150196263973144273] |