n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 5 |
4 | 9 |
5 | 22 |
6 | 45 |
7 | 101 |
8 | 218 |
9 | 477 |
10 | 1041 |
11 | 2270 |
12 | 4957 |
13 | 10813 |
14 | 23602 |
15 | 51501 |
16 | 112393 |
17 | 245270 |
18 | 535245 |
19 | 1168053 |
20 | 2549002 |
21 | 5562621 |
22 | 12139137 |
23 | 26490894 |
24 | 57810301 |
25 | 126157741 |
26 | 275310370 |
27 | 600801805 |
28 | 1311112313 |
29 | 2861202246 |
30 | 6243918445 |
[1,1,2,5,9,22,45,101,218,477,1041,2270,4957,10813, 23602,51501,112393,245270,535245,1168053,2549002, 5562621,12139137,26490894,57810301,126157741, 275310370,600801805,1311112313,2861202246, 6243918445] |