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| n | a(n) |
|---|---|
| 1 | 7 |
| 2 | 25 |
| 3 | 175 |
| 4 | 625 |
| 5 | 4375 |
| 6 | 15625 |
| 7 | 109375 |
| 8 | 390625 |
| 9 | 2734375 |
| 10 | 9765625 |
| 11 | 68359375 |
| 12 | 244140625 |
| 13 | 1708984375 |
| 14 | 6103515625 |
| 15 | 42724609375 |
| 16 | 152587890625 |
| 17 | 1068115234375 |
| 18 | 3814697265625 |
| 19 | 26702880859375 |
| 20 | 95367431640625 |
| 21 | 667572021484375 |
| 22 | 2384185791015625 |
| 23 | 16689300537109375 |
| 24 | 59604644775390625 |
| 25 | 417232513427734375 |
| 26 | 1490116119384765625 |
[7,25,175,625,4375,15625,109375,390625,2734375, 9765625,68359375,244140625,1708984375,6103515625, 42724609375,152587890625,1068115234375, 3814697265625,26702880859375,95367431640625, 667572021484375,2384185791015625, 16689300537109375,59604644775390625, 417232513427734375,1490116119384765625] |