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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 3 |
| 3 | 5 |
| 4 | 59 |
| 5 | 245 |
| 6 | 2491 |
| 7 | 235253 |
| 8 | 127756731 |
| 9 | 330567489269 |
| 10 | 258479716298484155 |
| 11 | 36823182192123209878050549 |
| 12 | 25576412117054296344209353299113896379 |
| 13 | 10994511204169842163496446583221775727830456269734123253 |
[1,3,5,59,245,2491,235253,127756731,330567489269, 258479716298484155,36823182192123209878050549, 25576412117054296344209353299113896379, 10994511204169842163496446583221775727830456269734\ 123253] |