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| n | a(n) |
|---|---|
| 1 | 6 |
| 2 | 6 |
| 3 | 216 |
| 4 | 1014 |
| 5 | 13254 |
| 6 | 98304 |
| 7 | 984150 |
| 8 | 8368566 |
| 9 | 77673624 |
| 10 | 687582150 |
| 11 | 6243858486 |
| 12 | 55924463616 |
| 13 | 504631320486 |
| 14 | 4535315519334 |
| 15 | 40848737643864 |
| 16 | 367488643786134 |
| 17 | 3308125850845350 |
| 18 | 29769598506080256 |
| 19 | 267943541451802614 |
[6,6,216,1014,13254,98304,984150,8368566,77673624, 687582150,6243858486,55924463616,504631320486, 4535315519334,40848737643864,367488643786134, 3308125850845350,29769598506080256, 267943541451802614] |