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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 5 |
| 4 | 95 |
| 5 | 9959 |
| 6 | 6270119 |
| 7 | 28519938719 |
| 8 | 1045680030158399 |
| 9 | 349874346597600908159 |
| 10 | 1178635679994967168072291199 |
| 11 | 44013684086180240167822552866892799 |
| 12 | 19826711369458419136710617483545735797772799 |
| 13 | 116690731684609551482643899854886684445978037938815999 |
[1,1,5,95,9959,6270119,28519938719, 1045680030158399,349874346597600908159, 1178635679994967168072291199, 44013684086180240167822552866892799, 19826711369458419136710617483545735797772799, 11669073168460955148264389985488668444597803793881\ 5999] |