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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 2 |
| 3 | 17 |
| 4 | 19 |
| 5 | 36 |
| 6 | 2251 |
| 7 | 2287 |
| 8 | 4538 |
| 9 | 38591 |
| 10 | 43129 |
| 11 | 81720 |
| 12 | 5109769 |
| 13 | 5191489 |
| 14 | 10301258 |
| 15 | 87601553 |
| 16 | 97902811 |
| 17 | 185504364 |
| 18 | 11599173379 |
| 19 | 11784677743 |
| 20 | 23383851122 |
| 21 | 198855486719 |
| 22 | 222239337841 |
| 23 | 421094824560 |
| 24 | 26330118460561 |
| 25 | 26751213285121 |
| 26 | 53081331745682 |
[1,1,2,17,19,36,2251,2287,4538,38591,43129,81720, 5109769,5191489,10301258,87601553,97902811, 185504364,11599173379,11784677743,23383851122, 198855486719,222239337841,421094824560, 26330118460561,26751213285121,53081331745682] |