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| n | a(n) |
|---|---|
| 1 | 5 |
| 2 | 50 |
| 3 | 481 |
| 4 | 4659 |
| 5 | 45361 |
| 6 | 440405 |
| 7 | 4281953 |
| 8 | 41605113 |
| 9 | 404371841 |
| 10 | 3929676961 |
| 11 | 38190819553 |
| 12 | 371149900881 |
| 13 | 3606990493057 |
| 14 | 35054056081937 |
| 15 | 340669003487777 |
| 16 | 3310750747302897 |
| 17 | 32175148917943745 |
| 18 | 312690400948679185 |
[5,50,481,4659,45361,440405,4281953,41605113, 404371841,3929676961,38190819553,371149900881, 3606990493057,35054056081937,340669003487777, 3310750747302897,32175148917943745, 312690400948679185] |