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| n | a(n) |
|---|---|
| 1 | 1528 |
| 2 | 8380 |
| 3 | 45776 |
| 4 | 250708 |
| 5 | 1373616 |
| 6 | 7533616 |
| 7 | 41341624 |
| 8 | 227070556 |
| 9 | 1247903536 |
| 10 | 6864076036 |
| 11 | 37776977112 |
| 12 | 208088450896 |
| 13 | 1146857308352 |
| 14 | 6326173721932 |
| 15 | 34914806997296 |
| 16 | 192860272424436 |
| 17 | 1065880416716656 |
| 18 | 5895663649023664 |
[1528,8380,45776,250708,1373616,7533616,41341624, 227070556,1247903536,6864076036,37776977112, 208088450896,1146857308352,6326173721932, 34914806997296,192860272424436,1065880416716656, 5895663649023664] |