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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 19 |
| 3 | 703 |
| 4 | 26677 |
| 5 | 1013005 |
| 6 | 38467495 |
| 7 | 1460751787 |
| 8 | 55470100393 |
| 9 | 2106403063129 |
| 10 | 79987846298491 |
| 11 | 3037431756279511 |
| 12 | 115342418892322909 |
| 13 | 4379974486151991013 |
| 14 | 166323688054883335567 |
| 15 | 6315920171599414760515 |
| 16 | 239838642832722877563985 |
| 17 | 9107552507471869932670897 |
[1,19,703,26677,1013005,38467495,1460751787, 55470100393,2106403063129,79987846298491, 3037431756279511,115342418892322909, 4379974486151991013,166323688054883335567, 6315920171599414760515,239838642832722877563985, 9107552507471869932670897] |