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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 25 |
| 3 | 1225 |
| 4 | 108113 |
| 5 | 15283505 |
| 6 | 3167087273 |
| 7 | 904365439289 |
| 8 | 340377095938337 |
| 9 | 163284306442648801 |
| 10 | 97251848546749385145 |
| 11 | 70412470931263247515689 |
| 12 | 60905917762268697815507057 |
| 13 | 62032377805368358044198610705 |
[1,1,25,1225,108113,15283505,3167087273, 904365439289,340377095938337,163284306442648801, 97251848546749385145,70412470931263247515689, 60905917762268697815507057, 62032377805368358044198610705] |