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| n | a(n) |
|---|---|
| 10 | 333051 |
| 11 | 4822430 |
| 12 | 79871395 |
| 13 | 832560780 |
| 14 | 9644631215 |
| 15 | 503145835150 |
| 16 | 1977105518235 |
| 17 | 13353202808060 |
| 18 | 72444344358890 |
| 19 | 431802346970780 |
| 20 | 2638310862477610 |
| 21 | 102808411342614000 |
| 22 | 286995037461236030 |
| 23 | 1470656290936993540 |
| 24 | 5931973064021096010 |
| 25 | 27203387338778029760 |
[333051,4822430,79871395,832560780,9644631215, 503145835150,1977105518235,13353202808060, 72444344358890,431802346970780,2638310862477610, 102808411342614000,286995037461236030, 1470656290936993540,5931973064021096010, 27203387338778029760] |