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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 3 |
| 4 | 4 |
| 5 | 5 |
| 6 | 8 |
| 7 | 9 |
| 8 | 15 |
| 9 | 24 |
| 10 | 80 |
| 11 | 2025 |
| 12 | 15552 |
| 13 | 32768 |
| 14 | 274658203125 |
| 15 | 7625597484987 |
| 16 | 9007199254740992 |
| 17 | 450283905890997363 |
| 18 | 381469726562500000000000000000 |
| 19 | 17763086495282268024161967871623168 |
| 20 | 2922977339492680612451840826835216578535400390625 |
[1,2,3,4,5,8,9,15,24,80,2025,15552,32768, 274658203125,7625597484987,9007199254740992, 450283905890997363,381469726562500000000000000000, 17763086495282268024161967871623168, 2922977339492680612451840826835216578535400390625] |