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| n | a(n) |
|---|---|
| 0 | 2 |
| 1 | 63 |
| 2 | 1984 |
| 3 | 62480 |
| 4 | 1967616 |
| 5 | 61964032 |
| 6 | 1951367168 |
| 7 | 61452324864 |
| 8 | 1935252520960 |
| 9 | 60944843472896 |
| 10 | 1919270950797312 |
| 11 | 60441552929947648 |
| 12 | 1903421358545567744 |
| 13 | 59942418626579005440 |
| 14 | 1887702654313799090176 |
| 15 | 59447406240016306798592 |
| 16 | 1872113757211501032112128 |
| 17 | 58956481730927772118810624 |
[2,63,1984,62480,1967616,61964032,1951367168, 61452324864,1935252520960,60944843472896, 1919270950797312,60441552929947648, 1903421358545567744,59942418626579005440, 1887702654313799090176,59447406240016306798592, 1872113757211501032112128, 58956481730927772118810624] |