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| n | a(n) |
|---|---|
| 1 | 16 |
| 2 | 272 |
| 3 | 5972 |
| 4 | 115583 |
| 5 | 2049855 |
| 6 | 37872601 |
| 7 | 711067486 |
| 8 | 13223846355 |
| 9 | 245394073602 |
| 10 | 4563802124823 |
| 11 | 84893857186798 |
| 12 | 1578413939501222 |
| 13 | 29347570955255809 |
| 14 | 545714251340861077 |
| 15 | 10147343140331608494 |
| 16 | 188682437852956208517 |
[16,272,5972,115583,2049855,37872601,711067486, 13223846355,245394073602,4563802124823, 84893857186798,1578413939501222,29347570955255809, 545714251340861077,10147343140331608494, 188682437852956208517] |