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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 14 |
| 2 | 163 |
| 3 | 1820 |
| 4 | 20101 |
| 5 | 221354 |
| 6 | 2435623 |
| 7 | 26794040 |
| 8 | 294741001 |
| 9 | 3242170694 |
| 10 | 35663936683 |
| 11 | 392303480660 |
| 12 | 4315338818701 |
| 13 | 47468728600034 |
| 14 | 522156019383343 |
| 15 | 5743716227565680 |
| 16 | 63180878546269201 |
| 17 | 694989664138101374 |
[1,14,163,1820,20101,221354,2435623,26794040, 294741001,3242170694,35663936683,392303480660, 4315338818701,47468728600034,522156019383343, 5743716227565680,63180878546269201, 694989664138101374] |