n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 4 |
3 | 11 |
4 | 34 |
5 | 85 |
6 | 248 |
7 | 603 |
8 | 1630 |
9 | 4017 |
10 | 10308 |
11 | 24855 |
12 | 63210 |
13 | 150141 |
14 | 369936 |
15 | 882083 |
16 | 2135606 |
17 | 5023689 |
18 | 12064092 |
19 | 28167919 |
20 | 66828418 |
21 | 155569685 |
22 | 364983208 |
23 | 844175675 |
24 | 1971322574 |
25 | 4533662817 |
26 | 10498550260 |
27 | 24077361031 |
28 | 55432615194 |
29 | 126492183213 |
30 | 289997946944 |
[0,1,4,11,34,85,248,603,1630,4017,10308,24855, 63210,150141,369936,882083,2135606,5023689, 12064092,28167919,66828418,155569685,364983208, 844175675,1971322574,4533662817,10498550260, 24077361031,55432615194,126492183213,289997946944] |