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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 70 |
| 3 | 34650 |
| 4 | 58370761 |
| 5 | 254257625001 |
| 6 | 2393820329913000 |
| 7 | 43063879074705797700 |
| 8 | 1353425989195928500100361 |
| 9 | 69430476979743039562119157801 |
| 10 | 5512282735792717664890405885818130 |
| 11 | 648886597453482823172404492855676280150 |
| 12 | 109337364789335440628249746207373482901394961 |
[1,1,70,34650,58370761,254257625001, 2393820329913000,43063879074705797700, 1353425989195928500100361, 69430476979743039562119157801, 5512282735792717664890405885818130, 648886597453482823172404492855676280150, 109337364789335440628249746207373482901394961] |