n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 1 |
4 | 2 |
5 | 5 |
6 | 12 |
7 | 28 |
8 | 65 |
9 | 155 |
10 | 387 |
11 | 1002 |
12 | 2641 |
13 | 7016 |
14 | 18743 |
15 | 50321 |
16 | 135608 |
17 | 366399 |
18 | 992221 |
19 | 2693705 |
20 | 7333666 |
21 | 20026582 |
22 | 54858122 |
23 | 150739957 |
24 | 415479332 |
25 | 1148563576 |
26 | 3183963911 |
27 | 8848963329 |
28 | 24650364462 |
29 | 68810859415 |
30 | 192439812663 |
31 | 539072534278 |
32 | 1512285566266 |
[1,1,1,2,5,12,28,65,155,387,1002,2641,7016,18743, 50321,135608,366399,992221,2693705,7333666, 20026582,54858122,150739957,415479332,1148563576, 3183963911,8848963329,24650364462,68810859415, 192439812663,539072534278,1512285566266] |