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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 5 |
| 2 | 25 |
| 3 | 125 |
| 4 | 625 |
| 5 | 3125 |
| 6 | 15625 |
| 7 | 78125 |
| 8 | 390625 |
| 9 | 1953125 |
| 10 | 9765625 |
| 11 | 6103515625 |
| 12 | 30517578125 |
| 13 | 152587890625 |
| 14 | 762939453125 |
| 15 | 3814697265625 |
| 16 | 19073486328125 |
| 17 | 95367431640625 |
| 18 | 476837158203125 |
| 19 | 2384185791015625 |
| 20 | 7450580596923828125 |
[1,5,25,125,625,3125,15625,78125,390625,1953125, 9765625,6103515625,30517578125,152587890625, 762939453125,3814697265625,19073486328125, 95367431640625,476837158203125,2384185791015625, 7450580596923828125] |