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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 3 |
| 4 | 4 |
| 5 | 5 |
| 6 | 6 |
| 7 | 7 |
| 8 | 8 |
| 9 | 9 |
| 10 | 90 |
| 11 | 336 |
| 12 | 4538775 |
| 13 | 183670618662 |
| 14 | 429548754570 |
| 15 | 3508325641459 |
| 16 | 3632460407839 |
| 17 | 9964270889420 |
| 18 | 10256010588126 |
| 19 | 509608423720931 |
| 20 | 589543349257828 |
| 21 | 75363159369591953 |
| 22 | 108765782844884700 |
| 23 | 360449417601592380 |
| 24 | 1574414276673927523 |
[1,2,3,4,5,6,7,8,9,90,336,4538775,183670618662, 429548754570,3508325641459,3632460407839, 9964270889420,10256010588126,509608423720931, 589543349257828,75363159369591953, 108765782844884700,360449417601592380, 1574414276673927523] |