n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 8 |
3 | 38 |
4 | 222 |
5 | 1522 |
6 | 11986 |
7 | 106542 |
8 | 1054766 |
9 | 11506538 |
10 | 137119578 |
11 | 1772006854 |
12 | 24681524038 |
13 | 368577425634 |
14 | 5874202721042 |
15 | 99515904921182 |
16 | 1785757627196766 |
17 | 33835407673201882 |
18 | 675016383080377546 |
19 | 14143200407398386678 |
20 | 310507536216973671158 |
21 | 7128173005328786885714 |
[1,2,8,38,222,1522,11986,106542,1054766,11506538, 137119578,1772006854,24681524038,368577425634, 5874202721042,99515904921182,1785757627196766, 33835407673201882,675016383080377546, 14143200407398386678,310507536216973671158, 7128173005328786885714] |