n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 5 |
4 | 14 |
5 | 42 |
6 | 132 |
7 | 429 |
8 | 1429 |
9 | 4846 |
10 | 16645 |
11 | 57686 |
12 | 201158 |
13 | 704420 |
14 | 2473785 |
15 | 8704089 |
16 | 30664890 |
17 | 108126325 |
18 | 381478030 |
19 | 1346396146 |
20 | 4753200932 |
21 | 16783118309 |
22 | 59266297613 |
23 | 209302921830 |
24 | 739203970773 |
25 | 2610763825782 |
26 | 9221050139566 |
27 | 32568630376132 |
[1,1,2,5,14,42,132,429,1429,4846,16645,57686, 201158,704420,2473785,8704089,30664890,108126325, 381478030,1346396146,4753200932,16783118309, 59266297613,209302921830,739203970773, 2610763825782,9221050139566,32568630376132] |