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| n | a(n) |
|---|---|
| 1 | 5 |
| 2 | 72 |
| 3 | 1876 |
| 4 | 69729 |
| 5 | 3363232 |
| 6 | 199205126 |
| 7 | 13982257728 |
| 8 | 1134344816184 |
| 9 | 104416147080711 |
| 10 | 10750872867074586 |
| 11 | 1224163955433850943 |
| 12 | 152733676280699540998 |
| 13 | 20719969553916698313304 |
| 14 | 3036565789908881887393113 |
| 15 | 478082645334119488823777214 |
| 16 | 80475210949356295594385157620 |
[5,72,1876,69729,3363232,199205126,13982257728, 1134344816184,104416147080711,10750872867074586, 1224163955433850943,152733676280699540998, 20719969553916698313304,3036565789908881887393113, 478082645334119488823777214, 80475210949356295594385157620] |