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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 389 |
| 3 | 1943 |
| 4 | 66668 |
| 5 | 1640199 |
| 6 | 45416563 |
| 7 | 1301827631 |
| 8 | 37042505019 |
| 9 | 1066728270636 |
| 10 | 30670808858758 |
| 11 | 883402914068483 |
| 12 | 25447304504082339 |
| 13 | 733144473941810493 |
| 14 | 21124168738007782096 |
| 15 | 608659094900501459257 |
| 16 | 17537924758232136844737 |
[1,389,1943,66668,1640199,45416563,1301827631, 37042505019,1066728270636,30670808858758, 883402914068483,25447304504082339, 733144473941810493,21124168738007782096, 608659094900501459257,17537924758232136844737] |