n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 4 |
4 | 9 |
5 | 20 |
6 | 45 |
7 | 102 |
8 | 232 |
9 | 528 |
10 | 1204 |
11 | 2748 |
12 | 6276 |
13 | 14342 |
14 | 32787 |
15 | 74976 |
16 | 171495 |
17 | 392337 |
18 | 897696 |
19 | 2054232 |
20 | 4701202 |
21 | 10759689 |
22 | 24627245 |
23 | 56370546 |
24 | 129034271 |
25 | 295373313 |
26 | 676158166 |
27 | 1547869038 |
28 | 3543458906 |
29 | 8111974160 |
30 | 18570800837 |
31 | 42514665175 |
32 | 97330789942 |
33 | 222825306335 |
[1,1,2,4,9,20,45,102,232,528,1204,2748,6276,14342, 32787,74976,171495,392337,897696,2054232,4701202, 10759689,24627245,56370546,129034271,295373313, 676158166,1547869038,3543458906,8111974160, 18570800837,42514665175,97330789942,222825306335] |