n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 4 |
4 | 9 |
5 | 20 |
6 | 46 |
7 | 105 |
8 | 242 |
9 | 557 |
10 | 1285 |
11 | 2964 |
12 | 6842 |
13 | 15793 |
14 | 36463 |
15 | 84187 |
16 | 194388 |
17 | 448847 |
18 | 1036426 |
19 | 2393208 |
20 | 5526198 |
21 | 12760671 |
22 | 29466050 |
23 | 68041019 |
24 | 157115917 |
25 | 362802072 |
26 | 837759792 |
27 | 1934502740 |
28 | 4467033943 |
29 | 10314998977 |
30 | 23818760154 |
31 | 55000815222 |
32 | 127004500762 |
[1,2,4,9,20,46,105,242,557,1285,2964,6842,15793, 36463,84187,194388,448847,1036426,2393208,5526198, 12760671,29466050,68041019,157115917,362802072, 837759792,1934502740,4467033943,10314998977, 23818760154,55000815222,127004500762] |