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| n | a(n) |
|---|---|
| 13 | 10395 |
| 14 | 3012480 |
| 15 | 277327917 |
| 16 | 16406489088 |
| 17 | 763149164940 |
| 18 | 30667267344384 |
| 19 | 1122292869796980 |
| 20 | 38645459934584832 |
| 21 | 1279503424901535750 |
| 22 | 41344577034084495360 |
| 23 | 1317786118947932739210 |
| 24 | 41752272883943166935040 |
| 25 | 1322547105675938413149900 |
| 26 | 42063243395064705257472000 |
[10395,3012480,277327917,16406489088,763149164940, 30667267344384,1122292869796980,38645459934584832, 1279503424901535750,41344577034084495360, 1317786118947932739210,41752272883943166935040, 1322547105675938413149900, 42063243395064705257472000] |