n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 3 |
3 | 19 |
4 | 205 |
5 | 3276 |
6 | 70852 |
7 | 1953715 |
8 | 65904057 |
9 | 2639266228 |
10 | 122677374326 |
11 | 6503266277223 |
12 | 387708627582311 |
13 | 25700183133977665 |
14 | 1876381387159576676 |
15 | 149695388098709302361 |
16 | 12961535832843534300945 |
[1,1,3,19,205,3276,70852,1953715,65904057, 2639266228,122677374326,6503266277223, 387708627582311,25700183133977665, 1876381387159576676,149695388098709302361, 12961535832843534300945] |