n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 4 |
4 | 10 |
5 | 26 |
6 | 71 |
7 | 197 |
8 | 554 |
9 | 1570 |
10 | 4477 |
11 | 12827 |
12 | 36895 |
13 | 106471 |
14 | 308114 |
15 | 893804 |
16 | 2598314 |
17 | 7567466 |
18 | 22076405 |
19 | 64498427 |
20 | 188689685 |
21 | 552675365 |
22 | 1620567764 |
23 | 4756614062 |
24 | 13974168191 |
25 | 41088418151 |
26 | 120906613076 |
27 | 356035078102 |
28 | 1049120176954 |
29 | 3093337815410 |
[1,1,2,4,10,26,71,197,554,1570,4477,12827,36895, 106471,308114,893804,2598314,7567466,22076405, 64498427,188689685,552675365,1620567764, 4756614062,13974168191,41088418151,120906613076, 356035078102,1049120176954,3093337815410] |