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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 7 |
| 3 | 49 |
| 4 | 16807 |
| 5 | 117649 |
| 6 | 5764801 |
| 7 | 282475249 |
| 8 | 1977326743 |
| 9 | 96889010407 |
| 10 | 678223072849 |
| 11 | 4747561509943 |
| 12 | 1628413597910449 |
| 13 | 11398895185373143 |
| 14 | 558545864083284007 |
| 15 | 3909821048582988049 |
| 16 | 9387480337647754305649 |
| 17 | 459986536544739960976801 |
[1,7,49,16807,117649,5764801,282475249,1977326743, 96889010407,678223072849,4747561509943, 1628413597910449,11398895185373143, 558545864083284007,3909821048582988049, 9387480337647754305649,459986536544739960976801] |