n | a(n) |
---|---|
1 | 6 |
2 | 36 |
3 | 210 |
4 | 1210 |
5 | 6890 |
6 | 38878 |
7 | 217714 |
8 | 1211476 |
9 | 6705102 |
10 | 36939610 |
11 | 202696070 |
12 | 1108372980 |
13 | 6042240154 |
14 | 32850033316 |
15 | 178168192702 |
16 | 964256946776 |
17 | 5208585411106 |
18 | 28086302736278 |
19 | 151213240334794 |
20 | 812960203889834 |
[6,36,210,1210,6890,38878,217714,1211476,6705102, 36939610,202696070,1108372980,6042240154, 32850033316,178168192702,964256946776, 5208585411106,28086302736278,151213240334794, 812960203889834] |