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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 36 |
| 2 | 823 |
| 3 | 15282 |
| 4 | 251881 |
| 5 | 3847032 |
| 6 | 55777051 |
| 7 | 779149134 |
| 8 | 10588135261 |
| 9 | 140901434388 |
| 10 | 1844713666159 |
| 11 | 23841089487306 |
| 12 | 304926682591441 |
| 13 | 3866889746187504 |
| 14 | 48692419436767747 |
| 15 | 609526612369569798 |
[1,36,823,15282,251881,3847032,55777051,779149134, 10588135261,140901434388,1844713666159, 23841089487306,304926682591441,3866889746187504, 48692419436767747,609526612369569798] |