n | a(n) |
---|---|
0 | 1 |
1 | 9 |
2 | 171 |
3 | 1420 |
4 | 8262 |
5 | 33044 |
6 | 111155 |
7 | 312913 |
8 | 793049 |
9 | 1807754 |
10 | 3834490 |
11 | 7601982 |
12 | 14333819 |
13 | 25683401 |
14 | 44367189 |
15 | 73913316 |
16 | 119544010 |
17 | 187884853 |
18 | 288597817 |
19 | 433331391 |
20 | 638511294 |
21 | 923461382 |
22 | 1314459790 |
23 | 1842974369 |
24 | 2550288371 |
[1,9,171,1420,8262,33044,111155,312913,793049, 1807754,3834490,7601982,14333819,25683401, 44367189,73913316,119544010,187884853,288597817, 433331391,638511294,923461382,1314459790, 1842974369,2550288371] |