n | a(n) |
---|---|
0 | 1 |
1 | 5 |
2 | 11 |
3 | 30 |
4 | 71 |
5 | 175 |
6 | 421 |
7 | 1020 |
8 | 2461 |
9 | 5945 |
10 | 14351 |
11 | 34650 |
12 | 83651 |
13 | 201955 |
14 | 487561 |
15 | 1177080 |
16 | 2841721 |
17 | 6860525 |
18 | 16562771 |
19 | 39986070 |
20 | 96534911 |
21 | 233055895 |
22 | 562646701 |
23 | 1358349300 |
24 | 3279345301 |
25 | 7917039905 |
26 | 19113425111 |
27 | 46143890130 |
28 | 111401205371 |
29 | 268946300875 |
[1,5,11,30,71,175,421,1020,2461,5945,14351,34650, 83651,201955,487561,1177080,2841721,6860525, 16562771,39986070,96534911,233055895,562646701, 1358349300,3279345301,7917039905,19113425111, 46143890130,111401205371,268946300875] |