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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 14 |
| 3 | 98 |
| 4 | 440 |
| 5 | 5487 |
| 6 | 65694 |
| 7 | 639327 |
| 8 | 7181983 |
| 9 | 81977832 |
| 10 | 899417346 |
| 11 | 10025228965 |
| 12 | 112369921695 |
| 13 | 1251982849712 |
| 14 | 13967374032572 |
| 15 | 156011740249219 |
| 16 | 1741206394216305 |
| 17 | 19433844437183025 |
| 18 | 216950572251648645 |
[1,14,98,440,5487,65694,639327,7181983,81977832, 899417346,10025228965,112369921695,1251982849712, 13967374032572,156011740249219,1741206394216305, 19433844437183025,216950572251648645] |