n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 4 |
4 | 10 |
5 | 26 |
6 | 78 |
7 | 236 |
8 | 770 |
9 | 2520 |
10 | 8606 |
11 | 29364 |
12 | 103302 |
13 | 362226 |
14 | 1298882 |
15 | 4645670 |
16 | 16897224 |
17 | 61296686 |
18 | 225457006 |
19 | 826950080 |
20 | 3067763394 |
21 | 11353597198 |
22 | 42414220022 |
23 | 158095481910 |
24 | 594108418428 |
25 | 2227714454332 |
26 | 8412269224862 |
27 | 31704876569698 |
28 | 120223392641084 |
29 | 455053649594196 |
30 | 1731861709709542 |
31 | 6579658381972974 |
[1,2,4,10,26,78,236,770,2520,8606,29364,103302, 362226,1298882,4645670,16897224,61296686, 225457006,826950080,3067763394,11353597198, 42414220022,158095481910,594108418428, 2227714454332,8412269224862,31704876569698, 120223392641084,455053649594196,1731861709709542, 6579658381972974] |