The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 5 |
| 3 | 25 |
| 4 | 35 |
| 5 | 125 |
| 6 | 175 |
| 7 | 385 |
| 8 | 625 |
| 9 | 875 |
| 10 | 1225 |
| 11 | 1925 |
| 12 | 3125 |
| 13 | 4375 |
| 14 | 5005 |
| 15 | 6125 |
| 16 | 9625 |
| 17 | 13475 |
| 18 | 15625 |
| 19 | 21875 |
| 20 | 25025 |
| 21 | 30625 |
| 22 | 42875 |
| 23 | 48125 |
| 24 | 67375 |
| 25 | 78125 |
| 26 | 85085 |
| 27 | 109375 |
| 28 | 125125 |
| 29 | 148225 |
| 30 | 153125 |
| 31 | 175175 |
| 32 | 214375 |
| 33 | 240625 |
| 34 | 336875 |
| 35 | 390625 |
| 36 | 425425 |
| 37 | 471625 |
| 38 | 546875 |
| 39 | 625625 |
| 40 | 741125 |
[1,5,25,35,125,175,385,625,875,1225,1925,3125, 4375,5005,6125,9625,13475,15625,21875,25025,30625, 42875,48125,67375,78125,85085,109375,125125, 148225,153125,175175,214375,240625,336875,390625, 425425,471625,546875,625625,741125] |