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| n | a(n) |
|---|---|
| 1 | 7109 |
| 2 | 29159 |
| 3 | 111519 |
| 4 | 425816 |
| 5 | 2400740 |
| 6 | 11021412 |
| 7 | 49182987 |
| 8 | 274849809 |
| 9 | 1296591297 |
| 10 | 5991019950 |
| 11 | 32860137008 |
| 12 | 156858856774 |
| 13 | 738121931124 |
| 14 | 3993260696684 |
| 15 | 19234679231972 |
| 16 | 91617107661579 |
| 17 | 490772694795537 |
| 18 | 2380233854933985 |
[7109,29159,111519,425816,2400740,11021412, 49182987,274849809,1296591297,5991019950, 32860137008,156858856774,738121931124, 3993260696684,19234679231972,91617107661579, 490772694795537,2380233854933985] |