n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 4 |
3 | 4 |
4 | 13 |
5 | 13 |
6 | 40 |
7 | 40 |
8 | 121 |
9 | 121 |
10 | 364 |
11 | 364 |
12 | 1093 |
13 | 1093 |
14 | 3280 |
15 | 3280 |
16 | 9841 |
17 | 9841 |
18 | 29524 |
19 | 29524 |
20 | 88573 |
21 | 88573 |
22 | 265720 |
23 | 265720 |
24 | 797161 |
25 | 797161 |
26 | 2391484 |
27 | 2391484 |
28 | 7174453 |
29 | 7174453 |
30 | 21523360 |
31 | 21523360 |
32 | 64570081 |
33 | 64570081 |
34 | 193710244 |
[1,1,4,4,13,13,40,40,121,121,364,364,1093,1093, 3280,3280,9841,9841,29524,29524,88573,88573, 265720,265720,797161,797161,2391484,2391484, 7174453,7174453,21523360,21523360,64570081, 64570081,193710244] |