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| n | a(n) |
|---|---|
| 1 | 7 |
| 2 | 95 |
| 3 | 543 |
| 4 | 3507 |
| 5 | 27609 |
| 6 | 201833 |
| 7 | 1521573 |
| 8 | 11678037 |
| 9 | 89238523 |
| 10 | 683029435 |
| 11 | 5235031077 |
| 12 | 40141122349 |
| 13 | 307807564417 |
| 14 | 2360732530937 |
| 15 | 18105826441313 |
| 16 | 138867315400205 |
| 17 | 1065099011259479 |
| 18 | 8169267911756541 |
| 19 | 62658120915577663 |
[7,95,543,3507,27609,201833,1521573,11678037, 89238523,683029435,5235031077,40141122349, 307807564417,2360732530937,18105826441313, 138867315400205,1065099011259479,8169267911756541, 62658120915577663] |