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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 2 |
| 3 | 13 |
| 4 | 150 |
| 5 | 3529 |
| 6 | 194203 |
| 7 | 29350896 |
| 8 | 13668966399 |
| 9 | 20662731749804 |
| 10 | 103588456044907944 |
| 11 | 1744955436868541083098 |
| 12 | 99859125842603176324368784 |
| 13 | 19611138475504485904873456937288 |
| 14 | 13340730475029359536419515017040194246 |
| 15 | 31706419735128559894860278029259121951682970 |
| 16 | 265351742295121848168241791689670791068746978140331 |
[1,1,2,13,150,3529,194203,29350896,13668966399, 20662731749804,103588456044907944, 1744955436868541083098,99859125842603176324368784, 19611138475504485904873456937288, 13340730475029359536419515017040194246, 31706419735128559894860278029259121951682970, 26535174229512184816824179168967079106874697814033\ 1] |