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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 2 |
| 4 | 3 |
| 5 | 5 |
| 6 | 11 |
| 7 | 37 |
| 8 | 221 |
| 9 | 3361 |
| 10 | 190777 |
| 11 | 83199527 |
| 12 | 760382931109 |
| 13 | 662056785094857629 |
| 14 | 538451433632092674800570837 |
| 15 | 12495147956629620251492228703104952798089 |
| 16 | 1397663545252630798358314360015943050984074671707253231083973 |
[1,1,2,3,5,11,37,221,3361,190777,83199527, 760382931109,662056785094857629, 538451433632092674800570837, 12495147956629620251492228703104952798089, 13976635452526307983583143600159430509840746717072\ 53231083973] |