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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 3 |
| 3 | 2 |
| 4 | 7 |
| 5 | 5 |
| 6 | 2 |
| 7 | 31 |
| 8 | 3 |
| 9 | 109 |
| 10 | 13 |
| 11 | 97 |
| 12 | 83 |
| 13 | 8731 |
| 14 | 461 |
| 15 | 3078769 |
| 16 | 574933 |
| 17 | 206179 |
| 18 | 510583 |
| 19 | 5153873111 |
| 20 | 1900169 |
| 21 | 372828179 |
| 22 | 4032506435771041 |
| 23 | 3445362972116384083 |
| 24 | 49898596950715368948711529590337583 |
| 25 | 54176564592185030069557382121821 |
[2,3,2,7,5,2,31,3,109,13,97,83,8731,461,3078769, 574933,206179,510583,5153873111,1900169,372828179, 4032506435771041,3445362972116384083, 49898596950715368948711529590337583, 54176564592185030069557382121821] |