n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 4 |
3 | 12 |
4 | 36 |
5 | 100 |
6 | 324 |
7 | 1052 |
8 | 3228 |
9 | 10852 |
10 | 36532 |
11 | 117676 |
12 | 404364 |
13 | 1390516 |
14 | 4610980 |
15 | 16077660 |
16 | 56078812 |
17 | 189603652 |
18 | 668095892 |
19 | 2354323852 |
20 | 8071935148 |
21 | 28669742292 |
22 | 101819683204 |
23 | 352800887100 |
24 | 1260929362940 |
25 | 4505714683748 |
26 | 15742066776692 |
27 | 56548206097260 |
28 | 203073342063308 |
29 | 714263158415348 |
30 | 2576510962881380 |
[1,2,4,12,36,100,324,1052,3228,10852,36532,117676, 404364,1390516,4610980,16077660,56078812, 189603652,668095892,2354323852,8071935148, 28669742292,101819683204,352800887100, 1260929362940,4505714683748,15742066776692, 56548206097260,203073342063308,714263158415348, 2576510962881380] |