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| n | a(n) |
|---|---|
| 0 | 5 |
| 1 | 256 |
| 2 | 3159 |
| 3 | 65625 |
| 4 | 1114112 |
| 5 | 20421115 |
| 6 | 363484989 |
| 7 | 6542701056 |
| 8 | 117265259375 |
| 9 | 2105190412273 |
| 10 | 37769592176640 |
| 11 | 677792498259891 |
| 12 | 12162186734914229 |
| 13 | 218243684178400000 |
| 14 | 3916209628945328967 |
| 15 | 70273629018014076105 |
| 16 | 1261008431526362415104 |
| 17 | 22627882807257322061611 |
| 18 | 406040850098667041878125 |
[5,256,3159,65625,1114112,20421115,363484989, 6542701056,117265259375,2105190412273, 37769592176640,677792498259891,12162186734914229, 218243684178400000,3916209628945328967, 70273629018014076105,1261008431526362415104, 22627882807257322061611,406040850098667041878125] |