n | a(n) |
---|---|
1 | 1 |
2 | 3 |
3 | 4 |
4 | 12 |
5 | 27 |
6 | 84 |
7 | 247 |
8 | 826 |
9 | 2777 |
10 | 9868 |
11 | 35579 |
12 | 131847 |
13 | 495671 |
14 | 1893819 |
15 | 7320954 |
16 | 28619581 |
17 | 112923053 |
18 | 449343946 |
19 | 1801330288 |
20 | 7269849395 |
21 | 29517342098 |
22 | 120507480668 |
23 | 494449558111 |
24 | 2038073860257 |
25 | 8436185990286 |
26 | 35055744550563 |
27 | 146195133355612 |
28 | 611723431211193 |
[1,3,4,12,27,84,247,826,2777,9868,35579,131847, 495671,1893819,7320954,28619581,112923053, 449343946,1801330288,7269849395,29517342098, 120507480668,494449558111,2038073860257, 8436185990286,35055744550563,146195133355612, 611723431211193] |