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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 321 |
| 3 | 699121 |
| 4 | 5552351121 |
| 5 | 117029959485121 |
| 6 | 5402040231378569121 |
| 7 | 480086443888959812703121 |
| 8 | 74896283763383392805211587121 |
| 9 | 19133358944433370977791260580721121 |
| 10 | 7581761490297442738124283591348762605121 |
| 11 | 4461925444770180839552702516305804230194739121 |
[1,1,321,699121,5552351121,117029959485121, 5402040231378569121,480086443888959812703121, 74896283763383392805211587121, 19133358944433370977791260580721121, 7581761490297442738124283591348762605121, 4461925444770180839552702516305804230194739121] |