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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 3 |
| 3 | 5 |
| 4 | 15 |
| 5 | 25 |
| 6 | 75 |
| 7 | 125 |
| 8 | 375 |
| 9 | 625 |
| 10 | 1875 |
| 11 | 3125 |
| 12 | 9375 |
| 13 | 15625 |
| 14 | 46875 |
| 15 | 78125 |
| 16 | 234375 |
| 17 | 390625 |
| 18 | 1171875 |
| 19 | 1953125 |
| 20 | 5859375 |
| 21 | 9765625 |
| 22 | 29296875 |
| 23 | 48828125 |
| 24 | 146484375 |
| 25 | 244140625 |
| 26 | 732421875 |
| 27 | 1220703125 |
| 28 | 3662109375 |
| 29 | 6103515625 |
| 30 | 18310546875 |
| 31 | 30517578125 |
[1,3,5,15,25,75,125,375,625,1875,3125,9375,15625, 46875,78125,234375,390625,1171875,1953125,5859375, 9765625,29296875,48828125,146484375,244140625, 732421875,1220703125,3662109375,6103515625, 18310546875,30517578125] |