n | a(n) |
---|---|
1 | 1 |
2 | 6 |
3 | 42 |
4 | 210 |
5 | 3990 |
6 | 43890 |
7 | 1360590 |
8 | 23130030 |
9 | 855811110 |
10 | 11125544430 |
11 | 255887521890 |
12 | 20215114229310 |
13 | 828819683401710 |
14 | 24035770818649590 |
15 | 2331469769409010230 |
16 | 123567897778677542190 |
17 | 5313419604483134314170 |
[1,6,42,210,3990,43890,1360590,23130030,855811110, 11125544430,255887521890,20215114229310, 828819683401710,24035770818649590, 2331469769409010230,123567897778677542190, 5313419604483134314170] |