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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 256 |
| 3 | 6561 |
| 4 | 390625 |
| 5 | 1679616 |
| 6 | 5764801 |
| 7 | 43046721 |
| 8 | 815730721 |
| 9 | 1475789056 |
| 10 | 2562890625 |
| 11 | 4294967296 |
| 12 | 16983563041 |
| 13 | 54875873536 |
| 14 | 78310985281 |
| 15 | 152587890625 |
| 16 | 282429536481 |
| 17 | 1406408618241 |
| 18 | 1785793904896 |
| 19 | 3512479453921 |
[0,1,256,6561,390625,1679616,5764801,43046721, 815730721,1475789056,2562890625,4294967296, 16983563041,54875873536,78310985281,152587890625, 282429536481,1406408618241,1785793904896, 3512479453921] |