n | a(n) |
---|---|
1 | 1 |
2 | 3 |
3 | 5 |
4 | 16 |
5 | 40 |
6 | 113 |
7 | 304 |
8 | 833 |
9 | 2270 |
10 | 6194 |
11 | 16900 |
12 | 46103 |
13 | 125787 |
14 | 343166 |
15 | 936250 |
16 | 2554294 |
17 | 6968726 |
18 | 19012299 |
19 | 51870004 |
20 | 141513486 |
21 | 386081850 |
22 | 1053321508 |
23 | 2873707154 |
24 | 7840144587 |
25 | 21389746215 |
26 | 58356225385 |
27 | 159209417569 |
28 | 434360490031 |
[1,3,5,16,40,113,304,833,2270,6194,16900,46103, 125787,343166,936250,2554294,6968726,19012299, 51870004,141513486,386081850,1053321508, 2873707154,7840144587,21389746215,58356225385, 159209417569,434360490031] |