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| n | a(n) |
|---|---|
| 1 | 135 |
| 2 | 3375 |
| 3 | 25137 |
| 4 | 68607 |
| 5 | 22113 |
| 6 | 557375 |
| 7 | 451737 |
| 8 | 1278316 |
| 9 | 273 |
| 10 | 6739509 |
| 11 | 188325 |
| 12 | 8775 |
| 13 | 9020375 |
| 14 | 20365625 |
| 15 | 1083537 |
| 16 | 3416875 |
| 17 | 17875 |
| 18 | 1995 |
| 19 | 171387125 |
| 20 | 382536063 |
| 21 | 49166 |
| 22 | 366776 |
| 23 | 1487640245 |
| 24 | 417725 |
[135,3375,25137,68607,22113,557375,451737,1278316, 273,6739509,188325,8775,9020375,20365625,1083537, 3416875,17875,1995,171387125,382536063,49166, 366776,1487640245,417725] |