n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 8 |
3 | 28 |
4 | 103 |
5 | 382 |
6 | 1432 |
7 | 5408 |
8 | 20546 |
9 | 78436 |
10 | 300636 |
11 | 1156188 |
12 | 4459267 |
13 | 17241526 |
14 | 66807856 |
15 | 259361920 |
16 | 1008598126 |
17 | 3928120924 |
18 | 15319329472 |
19 | 59817190552 |
20 | 233826979750 |
21 | 914962032172 |
22 | 3583556424208 |
23 | 14047386554368 |
24 | 55108441878868 |
[1,2,8,28,103,382,1432,5408,20546,78436,300636, 1156188,4459267,17241526,66807856,259361920, 1008598126,3928120924,15319329472,59817190552, 233826979750,914962032172,3583556424208, 14047386554368,55108441878868] |