n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 8 |
4 | 30 |
5 | 114 |
6 | 414 |
7 | 1561 |
8 | 6227 |
9 | 25712 |
10 | 107071 |
11 | 445688 |
12 | 1860037 |
13 | 7822241 |
14 | 33194789 |
15 | 141813340 |
16 | 608193866 |
17 | 2615140082 |
18 | 11275208902 |
19 | 48764348038 |
20 | 211550067336 |
21 | 920159818053 |
22 | 4010884160844 |
23 | 17515357388423 |
24 | 76622591861147 |
[1,2,8,30,114,414,1561,6227,25712,107071,445688, 1860037,7822241,33194789,141813340,608193866, 2615140082,11275208902,48764348038,211550067336, 920159818053,4010884160844,17515357388423, 76622591861147] |