n | a(n) |
---|---|
1 | 1 |
2 | 6 |
3 | 21 |
4 | 79 |
5 | 296 |
6 | 1117 |
7 | 4237 |
8 | 16147 |
9 | 61782 |
10 | 237208 |
11 | 913466 |
12 | 3526826 |
13 | 13647886 |
14 | 52920075 |
15 | 205566205 |
16 | 799791235 |
17 | 3116196550 |
18 | 12157265980 |
19 | 47485135510 |
20 | 185671296850 |
21 | 726703966600 |
22 | 2846827216330 |
23 | 11161555459090 |
24 | 43794648931054 |
[1,6,21,79,296,1117,4237,16147,61782,237208, 913466,3526826,13647886,52920075,205566205, 799791235,3116196550,12157265980,47485135510, 185671296850,726703966600,2846827216330, 11161555459090,43794648931054] |