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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 11 |
| 3 | 226 |
| 4 | 17001 |
| 5 | 2671876 |
| 6 | 1242300001 |
| 7 | 1250703890626 |
| 8 | 3363964848750001 |
| 9 | 20117722302277734376 |
| 10 | 302329590133667187500001 |
| 11 | 10299774530356369019736328126 |
| 12 | 846958190132982653045661328125001 |
| 13 | 160085716663876329020695686381591796876 |
[1,1,11,226,17001,2671876,1242300001, 1250703890626,3363964848750001, 20117722302277734376,302329590133667187500001, 10299774530356369019736328126, 846958190132982653045661328125001, 160085716663876329020695686381591796876] |