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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 258 |
| 2 | 66801 |
| 3 | 17265408 |
| 4 | 4462406595 |
| 5 | 1153350806021 |
| 6 | 298094324981778 |
| 7 | 77045272021641916 |
| 8 | 19913072619720776032 |
| 9 | 5146720243221262934093 |
| 10 | 1330218081751512472685763 |
| 11 | 343807329988307215923432746 |
| 12 | 88860226586342124489251555256 |
| 13 | 22966758356328845813340839281381 |
[1,258,66801,17265408,4462406595,1153350806021, 298094324981778,77045272021641916, 19913072619720776032,5146720243221262934093, 1330218081751512472685763, 343807329988307215923432746, 88860226586342124489251555256, 22966758356328845813340839281381] |