n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 6 |
3 | 27 |
4 | 158 |
5 | 1147 |
6 | 9956 |
7 | 100667 |
8 | 1162478 |
9 | 15097487 |
10 | 217833456 |
11 | 3457099107 |
12 | 59851694498 |
13 | 1122530734327 |
14 | 22672663147556 |
15 | 490646937984347 |
16 | 11325671204407718 |
17 | 277771419131565167 |
18 | 7213311163322015256 |
19 | 197725569735723642387 |
20 | 5705154145153596656138 |
21 | 172846751677879951716007 |
[1,2,6,27,158,1147,9956,100667,1162478,15097487, 217833456,3457099107,59851694498,1122530734327, 22672663147556,490646937984347,11325671204407718, 277771419131565167,7213311163322015256, 197725569735723642387,5705154145153596656138, 172846751677879951716007] |