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| n | a(n) |
|---|---|
| 1 | 66 |
| 2 | 1198 |
| 3 | 25968 |
| 4 | 489294 |
| 5 | 9051857 |
| 6 | 162207955 |
| 7 | 2861438066 |
| 8 | 49842444849 |
| 9 | 860844781350 |
| 10 | 14774845188752 |
| 11 | 252437172412114 |
| 12 | 4298676558542165 |
| 13 | 73021464693301088 |
| 14 | 1238164128738016241 |
| 15 | 20966325620945097786 |
[66,1198,25968,489294,9051857,162207955, 2861438066,49842444849,860844781350, 14774845188752,252437172412114,4298676558542165, 73021464693301088,1238164128738016241, 20966325620945097786] |