n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 2 |
4 | 6 |
5 | 22 |
6 | 101 |
7 | 573 |
8 | 3836 |
9 | 29228 |
10 | 250749 |
11 | 2409581 |
12 | 25598186 |
13 | 296643390 |
14 | 3727542188 |
15 | 50626553988 |
16 | 738680521142 |
17 | 11501573822788 |
18 | 190418421447330 |
19 | 3344822488498265 |
20 | 62119523114983224 |
21 | 1214967840930909302 |
22 | 24965661442811799655 |
23 | 538134522243713149122 |
[1,1,2,6,22,101,573,3836,29228,250749,2409581, 25598186,296643390,3727542188,50626553988, 738680521142,11501573822788,190418421447330, 3344822488498265,62119523114983224, 1214967840930909302,24965661442811799655, 538134522243713149122] |