n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 1 |
3 | 1 |
4 | 2 |
5 | 3 |
6 | 6 |
7 | 14 |
8 | 30 |
9 | 76 |
10 | 170 |
11 | 553 |
12 | 1583 |
13 | 5106 |
14 | 14090 |
15 | 41002 |
16 | 164769 |
17 | 603513 |
18 | 2418348 |
19 | 8335804 |
20 | 28704417 |
21 | 109618261 |
22 | 466318442 |
23 | 2114095511 |
24 | 10276979159 |
25 | 43213859606 |
26 | 175668903294 |
27 | 793946150358 |
28 | 3490939879402 |
29 | 15500974371599 |
30 | 82490059523125 |
[1,1,1,1,2,3,6,14,30,76,170,553,1583,5106,14090, 41002,164769,603513,2418348,8335804,28704417, 109618261,466318442,2114095511,10276979159, 43213859606,175668903294,793946150358, 3490939879402,15500974371599,82490059523125] |