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| n | a(n) |
|---|---|
| 0 | 1296 |
| 1 | 14526 |
| 2 | 107082 |
| 3 | 649890 |
| 4 | 3539538 |
| 5 | 18027954 |
| 6 | 87813234 |
| 7 | 414505458 |
| 8 | 1911928050 |
| 9 | 8665131762 |
| 10 | 38733797106 |
| 11 | 171235454706 |
| 12 | 750157258482 |
| 13 | 3261519544050 |
| 14 | 14089697722098 |
| 15 | 60533384085234 |
| 16 | 258832139157234 |
| 17 | 1102123427954418 |
| 18 | 4675674117242610 |
| 19 | 19771419930918642 |
| 20 | 83360577251966706 |
[1296,14526,107082,649890,3539538,18027954, 87813234,414505458,1911928050,8665131762, 38733797106,171235454706,750157258482, 3261519544050,14089697722098,60533384085234, 258832139157234,1102123427954418,4675674117242610, 19771419930918642,83360577251966706] |