n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 5 |
3 | 14 |
4 | 43 |
5 | 140 |
6 | 472 |
7 | 1628 |
8 | 5719 |
9 | 20388 |
10 | 73562 |
11 | 268066 |
12 | 984911 |
13 | 3643570 |
14 | 13557020 |
15 | 50691978 |
16 | 190353370 |
17 | 717457656 |
18 | 2713061899 |
19 | 10289600164 |
20 | 39127877886 |
21 | 149147692734 |
22 | 569767908076 |
23 | 2180978471298 |
24 | 8363866011929 |
25 | 32129445138352 |
26 | 123618810558184 |
[1,2,5,14,43,140,472,1628,5719,20388,73562,268066, 984911,3643570,13557020,50691978,190353370, 717457656,2713061899,10289600164,39127877886, 149147692734,569767908076,2180978471298, 8363866011929,32129445138352,123618810558184] |