n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 11 |
3 | 34 |
4 | 195 |
5 | 678 |
6 | 3989 |
7 | 14494 |
8 | 86515 |
9 | 321590 |
10 | 1936881 |
11 | 7301142 |
12 | 44241261 |
13 | 168359754 |
14 | 1024642875 |
15 | 3926147730 |
16 | 23973456915 |
17 | 92338836390 |
18 | 565280386625 |
19 | 2186194166950 |
20 | 13411044301945 |
21 | 52037098259090 |
22 | 319756851757695 |
23 | 1244063987615130 |
24 | 7655279183309725 |
25 | 29851422385561898 |
[1,2,11,34,195,678,3989,14494,86515,321590, 1936881,7301142,44241261,168359754,1024642875, 3926147730,23973456915,92338836390,565280386625, 2186194166950,13411044301945,52037098259090, 319756851757695,1244063987615130,7655279183309725, 29851422385561898] |