n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 3 |
4 | 6 |
5 | 16 |
6 | 57 |
7 | 245 |
8 | 1248 |
9 | 7151 |
10 | 46104 |
11 | 325560 |
12 | 2523437 |
13 | 21106494 |
14 | 190806861 |
15 | 1842347541 |
16 | 19018910502 |
17 | 208088481921 |
18 | 2414462433024 |
19 | 29512737830802 |
20 | 380156646308541 |
21 | 5133381861786182 |
22 | 72678441538790901 |
23 | 1074324277172134786 |
24 | 16581261996774703606 |
[1,1,2,3,6,16,57,245,1248,7151,46104,325560, 2523437,21106494,190806861,1842347541,19018910502, 208088481921,2414462433024,29512737830802, 380156646308541,5133381861786182, 72678441538790901,1074324277172134786, 16581261996774703606] |