The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 9 |
| 3 | 225 |
| 4 | 245 |
| 5 | 99225 |
| 6 | 480249 |
| 7 | 1002001 |
| 8 | 41409225 |
| 9 | 2393453205 |
| 10 | 4102737925 |
| 11 | 940839860961 |
| 12 | 4113258565689 |
| 13 | 16802526820625 |
| 14 | 246430431820125 |
| 15 | 21147754404155625 |
| 16 | 10036045423404225 |
| 17 | 98363281194784809225 |
[1,9,225,245,99225,480249,1002001,41409225, 2393453205,4102737925,940839860961,4113258565689, 16802526820625,246430431820125,21147754404155625, 10036045423404225,98363281194784809225] |