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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 94 |
| 3 | 334 |
| 4 | 4422 |
| 5 | 23969 |
| 6 | 303493 |
| 7 | 303493 |
| 8 | 606529 |
| 9 | 28725046 |
| 10 | 92865581 |
| 11 | 397316305 |
| 12 | 511883558 |
| 13 | 848516256 |
| 14 | 23738949809 |
| 15 | 144899085865 |
| 16 | 469694200388 |
| 17 | 3800553021301 |
| 18 | 8571139291304 |
| 19 | 63858322306341 |
| 20 | 90990757864814 |
[2,94,334,4422,23969,303493,303493,606529, 28725046,92865581,397316305,511883558,848516256, 23738949809,144899085865,469694200388, 3800553021301,8571139291304,63858322306341, 90990757864814] |