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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 7 |
| 3 | 47 |
| 4 | 35398 |
| 5 | 283 |
| 6 | 23598775598298873 |
| 7 | 2 |
| 8 | 17699 |
| 9 | 15732517 |
| 10 | 1415926535897932384626433832795 |
| 11 | 12872 |
| 12 | 117993877991494365385536152732919 |
| 13 | 1089174258383 |
| 14 | 1 |
| 15 | 943951 |
| 16 | 88495408493620774 |
| 17 | 8328979622929 |
| 18 | 7866258532766291 |
| 19 | 7452244925778591498 |
[1,7,47,35398,283,23598775598298873,2,17699, 15732517,1415926535897932384626433832795,12872, 117993877991494365385536152732919,1089174258383,1, 943951,88495408493620774,8328979622929, 7866258532766291,7452244925778591498] |