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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 16 |
| 3 | 381 |
| 4 | 10496 |
| 5 | 307505 |
| 6 | 9316560 |
| 7 | 288307285 |
| 8 | 9052917760 |
| 9 | 287307428985 |
| 10 | 9192433560080 |
| 11 | 295998598024613 |
| 12 | 9580548525151488 |
| 13 | 311414673789269713 |
| 14 | 10158681128480830288 |
| 15 | 332394269045633574405 |
| 16 | 10904463909222273843200 |
| 17 | 358543696456299951516425 |
[1,16,381,10496,307505,9316560,288307285, 9052917760,287307428985,9192433560080, 295998598024613,9580548525151488, 311414673789269713,10158681128480830288, 332394269045633574405,10904463909222273843200, 358543696456299951516425] |