n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 11 |
3 | 42 |
4 | 164 |
5 | 649 |
6 | 2592 |
7 | 10423 |
8 | 42140 |
9 | 171133 |
10 | 697641 |
11 | 2853587 |
12 | 11707542 |
13 | 48166629 |
14 | 198677283 |
15 | 821495226 |
16 | 3404577572 |
17 | 14140959469 |
18 | 58859315929 |
19 | 245493952745 |
20 | 1025954717376 |
21 | 4295887639272 |
22 | 18021572480109 |
23 | 75740267331717 |
[1,3,11,42,164,649,2592,10423,42140,171133,697641, 2853587,11707542,48166629,198677283,821495226, 3404577572,14140959469,58859315929,245493952745, 1025954717376,4295887639272,18021572480109, 75740267331717] |