n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 14 |
3 | 63 |
4 | 287 |
5 | 1306 |
6 | 5945 |
7 | 27061 |
8 | 123180 |
9 | 560707 |
10 | 2552301 |
11 | 11617904 |
12 | 52883925 |
13 | 240724103 |
14 | 1095760078 |
15 | 4987826867 |
16 | 22704255571 |
17 | 103348258626 |
18 | 470434387405 |
19 | 2141385987489 |
20 | 9747446339348 |
21 | 44369726286423 |
22 | 201968037801353 |
[1,3,14,63,287,1306,5945,27061,123180,560707, 2552301,11617904,52883925,240724103,1095760078, 4987826867,22704255571,103348258626,470434387405, 2141385987489,9747446339348,44369726286423, 201968037801353] |