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| n | a(n) |
|---|---|
| 1 | 152 |
| 2 | 2360 |
| 3 | 39480 |
| 4 | 672784 |
| 5 | 11561512 |
| 6 | 199425400 |
| 7 | 3445747472 |
| 8 | 59582558136 |
| 9 | 1030635314552 |
| 10 | 17830297764560 |
| 11 | 308491144480488 |
| 12 | 5337532888545800 |
| 13 | 92351643563233552 |
| 14 | 1597906958454938296 |
| 15 | 27647738113504778888 |
[152,2360,39480,672784,11561512,199425400, 3445747472,59582558136,1030635314552, 17830297764560,308491144480488,5337532888545800, 92351643563233552,1597906958454938296, 27647738113504778888] |