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| n | a(n) |
|---|---|
| 1 | 7 |
| 2 | 23 |
| 3 | 74 |
| 4 | 2248 |
| 5 | 2292 |
| 6 | 23506 |
| 7 | 50552 |
| 8 | 742667 |
| 9 | 2357022 |
| 10 | 22706949 |
| 11 | 74555050 |
| 12 | 703955648 |
| 13 | 745020507 |
| 14 | 3996943276 |
| 15 | 74333434976 |
| 16 | 244040827632 |
| 17 | 505525029504 |
| 18 | 5963015642907 |
| 19 | 23548897033949 |
| 20 | 156701172827632 |
| 21 | 745354652534976 |
| 22 | 758666893673274 |
| 23 | 7453694087868501 |
| 24 | 77198164845775648 |
| 25 | 505525028614365003 |
[7,23,74,2248,2292,23506,50552,742667,2357022, 22706949,74555050,703955648,745020507,3996943276, 74333434976,244040827632,505525029504, 5963015642907,23548897033949,156701172827632, 745354652534976,758666893673274,7453694087868501, 77198164845775648,505525028614365003] |