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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 5 |
| 3 | 2071 |
| 4 | 33421 |
| 5 | 58061 |
| 6 | 1977071 |
| 7 | 7011161 |
| 8 | 10144571 |
| 9 | 10189721 |
| 10 | 166311841 |
| 11 | 173618771 |
| 12 | 215766701 |
| 13 | 240623221 |
| 14 | 341359721 |
| 15 | 341455271 |
| 16 | 389192441 |
| 17 | 490814481 |
| 18 | 524456461 |
| 19 | 585387477 |
| 20 | 888576461 |
| 21 | 1123952441 |
| 22 | 1276706071 |
| 23 | 2005030751 |
| 24 | 2244832943 |
| 25 | 2863311531 |
| 26 | 3104590331 |
| 27 | 3904529471 |
[1,5,2071,33421,58061,1977071,7011161,10144571, 10189721,166311841,173618771,215766701,240623221, 341359721,341455271,389192441,490814481,524456461, 585387477,888576461,1123952441,1276706071, 2005030751,2244832943,2863311531,3104590331, 3904529471] |