n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 3 |
3 | 8 |
4 | 26 |
5 | 86 |
6 | 302 |
7 | 1091 |
8 | 4040 |
9 | 15271 |
10 | 58626 |
11 | 228160 |
12 | 897769 |
13 | 3566851 |
14 | 14287540 |
15 | 57643690 |
16 | 234033415 |
17 | 955486006 |
18 | 3920368468 |
19 | 16157046284 |
20 | 66855815475 |
21 | 277647691670 |
22 | 1156870017745 |
23 | 4834889174037 |
24 | 20262414041885 |
25 | 85133911519652 |
26 | 358538436730899 |
27 | 1513264706135320 |
28 | 6399889659608629 |
[1,1,3,8,26,86,302,1091,4040,15271,58626,228160, 897769,3566851,14287540,57643690,234033415, 955486006,3920368468,16157046284,66855815475, 277647691670,1156870017745,4834889174037, 20262414041885,85133911519652,358538436730899, 1513264706135320,6399889659608629] |