n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 5 |
3 | 8 |
4 | 22 |
5 | 100 |
6 | 444 |
7 | 1680 |
8 | 5496 |
9 | 16096 |
10 | 43936 |
11 | 117360 |
12 | 323056 |
13 | 946288 |
14 | 2930320 |
15 | 9287792 |
16 | 29222800 |
17 | 89856944 |
18 | 269619792 |
19 | 795460592 |
20 | 2334102160 |
21 | 6882700336 |
22 | 20508738256 |
23 | 61728245104 |
24 | 186833742864 |
25 | 565643533232 |
26 | 1706639551568 |
27 | 5125652284144 |
28 | 15338915301264 |
[1,3,5,8,22,100,444,1680,5496,16096,43936,117360, 323056,946288,2930320,9287792,29222800,89856944, 269619792,795460592,2334102160,6882700336, 20508738256,61728245104,186833742864,565643533232, 1706639551568,5125652284144,15338915301264] |