n | a(n) |
---|---|
1 | 2 |
2 | 2 |
3 | 10 |
4 | 260 |
5 | 703300 |
6 | 128651592765800 |
7 | 11640481755119007104771565805489000 |
8 | 17432395734015190050301181934013684788461125501100342391858949624062957005321114000 |
[2,2,10,260,703300,128651592765800, 11640481755119007104771565805489000, 17432395734015190050301181934013684788461125501100\ 342391858949624062957005321114000] |