n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 10 |
3 | 33 |
4 | 110 |
5 | 332 |
6 | 997 |
7 | 2829 |
8 | 7889 |
9 | 21299 |
10 | 56400 |
11 | 146028 |
12 | 371681 |
13 | 929498 |
14 | 2290296 |
15 | 5562369 |
16 | 13336036 |
17 | 31583177 |
18 | 73957845 |
19 | 171342592 |
20 | 393018517 |
21 | 893000610 |
22 | 2011039286 |
23 | 4490680381 |
24 | 9947577333 |
25 | 21867539862 |
26 | 47721817473 |
27 | 103420870299 |
28 | 222641160569 |
[1,2,10,33,110,332,997,2829,7889,21299,56400, 146028,371681,929498,2290296,5562369,13336036, 31583177,73957845,171342592,393018517,893000610, 2011039286,4490680381,9947577333,21867539862, 47721817473,103420870299,222641160569] |