| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 5 |
| 2 | 25 |
| 3 | 875 |
| 4 | 4375 |
| 5 | 21896875 |
| 6 | 109484375 |
| 7 | 65143203125 |
| 8 | 325716015625 |
| 9 | 2382612654296875 |
| 10 | 154869822529296875 |
| 11 | 24934041427216796875 |
| 12 | 3562005918173828125 |
| 13 | 3559956170522705078125 |
| 14 | 84510816662372930908203125 |
| 15 | 8344175483159391333221435546875 |
| 16 | 41720877415796956666107177734375 |
| 17 | 11291964076972525306465238189697265625 |
[1,5,25,875,4375,21896875,109484375,65143203125, 325716015625,2382612654296875,154869822529296875, 24934041427216796875,3562005918173828125, 3559956170522705078125,84510816662372930908203125, 8344175483159391333221435546875, 41720877415796956666107177734375, 11291964076972525306465238189697265625] |