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| n | a(n) |
|---|---|
| 1 | 6 |
| 2 | 136 |
| 3 | 1370 |
| 4 | 16876 |
| 5 | 199125 |
| 6 | 2369631 |
| 7 | 28194191 |
| 8 | 335586650 |
| 9 | 3993458371 |
| 10 | 47516896629 |
| 11 | 565414492412 |
| 12 | 6728166888869 |
| 13 | 80061424960490 |
| 14 | 952681438970742 |
| 15 | 11336327457310421 |
| 16 | 134895508948869550 |
| 17 | 1605175914338415794 |
[6,136,1370,16876,199125,2369631,28194191, 335586650,3993458371,47516896629,565414492412, 6728166888869,80061424960490,952681438970742, 11336327457310421,134895508948869550, 1605175914338415794] |