n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 3 |
3 | 8 |
4 | 25 |
5 | 79 |
6 | 268 |
7 | 931 |
8 | 3340 |
9 | 12221 |
10 | 45525 |
11 | 171932 |
12 | 657002 |
13 | 2535167 |
14 | 9864727 |
15 | 38663036 |
16 | 152491244 |
17 | 604788048 |
18 | 2410462518 |
19 | 9649584165 |
20 | 38782437824 |
21 | 156428161276 |
22 | 633003302363 |
23 | 2569122403034 |
24 | 10455470193615 |
25 | 42656724160734 |
[1,1,3,8,25,79,268,931,3340,12221,45525,171932, 657002,2535167,9864727,38663036,152491244, 604788048,2410462518,9649584165,38782437824, 156428161276,633003302363,2569122403034, 10455470193615,42656724160734] |