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| n | a(n) |
|---|---|
| 1 | 27278035 |
| 2 | 117938741095 |
| 3 | 402221585928132 |
| 4 | 1498459859767029015 |
| 5 | 5429971895805945122143 |
| 6 | 19869188673828370548366580 |
| 7 | 72469574283521150229737165516 |
| 8 | 264615725211389828099780842721919 |
[27278035,117938741095,402221585928132, 1498459859767029015,5429971895805945122143, 19869188673828370548366580, 72469574283521150229737165516, 264615725211389828099780842721919] |