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| n | a(n) |
|---|---|
| 1 | 61 |
| 2 | 46411 |
| 3 | 84163 |
| 4 | 8904817 |
| 5 | 21173611 |
| 6 | 38458411 |
| 7 | 47763361 |
| 8 | 67772161 |
| 9 | 78506251 |
| 10 | 378906259 |
| 11 | 464100001 |
| 12 | 777963217 |
| 13 | 1462287361 |
| 14 | 1713506251 |
| 15 | 3308633611 |
| 16 | 3700508017 |
| 17 | 3874880011 |
| 18 | 5733506257 |
| 19 | 6000000001 |
| 20 | 6981816811 |
| 21 | 7827420163 |
| 22 | 12945881761 |
| 23 | 17139110563 |
| 24 | 21735672019 |
[61,46411,84163,8904817,21173611,38458411, 47763361,67772161,78506251,378906259,464100001, 777963217,1462287361,1713506251,3308633611, 3700508017,3874880011,5733506257,6000000001, 6981816811,7827420163,12945881761,17139110563, 21735672019] |