n | a(n) |
---|---|
0 | 1 |
1 | 9 |
2 | 19 |
3 | 161 |
4 | 341 |
5 | 2889 |
6 | 6119 |
7 | 51841 |
8 | 109801 |
9 | 930249 |
10 | 1970299 |
11 | 16692641 |
12 | 35355581 |
13 | 299537289 |
14 | 634430159 |
15 | 5374978561 |
16 | 11384387281 |
17 | 96450076809 |
18 | 204284540899 |
19 | 1730726404001 |
20 | 3665737348901 |
21 | 31056625195209 |
22 | 65778987739319 |
23 | 557288527109761 |
24 | 1180356041958841 |
[1,9,19,161,341,2889,6119,51841,109801,930249, 1970299,16692641,35355581,299537289,634430159, 5374978561,11384387281,96450076809,204284540899, 1730726404001,3665737348901,31056625195209, 65778987739319,557288527109761,1180356041958841] |