n | a(n) |
---|---|
1 | 1 |
2 | 3 |
3 | 10 |
4 | 32 |
5 | 106 |
6 | 357 |
7 | 1222 |
8 | 4230 |
9 | 14770 |
10 | 51918 |
11 | 183472 |
12 | 651191 |
13 | 2319626 |
14 | 8288135 |
15 | 29691760 |
16 | 106611596 |
17 | 383565754 |
18 | 1382423748 |
19 | 4990274016 |
20 | 18039252192 |
21 | 65292492328 |
22 | 236595647526 |
23 | 858231115540 |
24 | 3116138603103 |
25 | 11324267454946 |
26 | 41186435585589 |
27 | 149907159998452 |
28 | 545997804435897 |
[1,3,10,32,106,357,1222,4230,14770,51918,183472, 651191,2319626,8288135,29691760,106611596, 383565754,1382423748,4990274016,18039252192, 65292492328,236595647526,858231115540, 3116138603103,11324267454946,41186435585589, 149907159998452,545997804435897] |