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| n | a(n) |
|---|---|
| 1 | 256 |
| 2 | 2894 |
| 3 | 28978 |
| 4 | 268448 |
| 5 | 2377726 |
| 6 | 20374112 |
| 7 | 170668898 |
| 8 | 1404828230 |
| 9 | 11413317704 |
| 10 | 91766116488 |
| 11 | 731808519584 |
| 12 | 5797224998624 |
| 13 | 45676273081688 |
| 14 | 358272122900606 |
| 15 | 2799733458956666 |
| 16 | 21810268527215416 |
| 17 | 169456934940212246 |
[256,2894,28978,268448,2377726,20374112,170668898, 1404828230,11413317704,91766116488,731808519584, 5797224998624,45676273081688,358272122900606, 2799733458956666,21810268527215416, 169456934940212246] |