n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 16 |
3 | 103 |
4 | 735 |
5 | 5592 |
6 | 44452 |
7 | 364815 |
8 | 3067558 |
9 | 26290517 |
10 | 228819168 |
11 | 2016953848 |
12 | 17968790029 |
13 | 161536295244 |
14 | 1463535347928 |
15 | 13349907110367 |
16 | 122499957767130 |
17 | 1130001670577730 |
18 | 10472708110616136 |
19 | 97468774074103041 |
20 | 910582642690819351 |
[1,3,16,103,735,5592,44452,364815,3067558, 26290517,228819168,2016953848,17968790029, 161536295244,1463535347928,13349907110367, 122499957767130,1130001670577730, 10472708110616136,97468774074103041, 910582642690819351] |