n | a(n) |
---|---|
1 | 1 |
2 | 3 |
3 | 9 |
4 | 30 |
5 | 111 |
6 | 424 |
7 | 1705 |
8 | 7024 |
9 | 29692 |
10 | 127748 |
11 | 558219 |
12 | 2469403 |
13 | 11039992 |
14 | 49796803 |
15 | 226348740 |
16 | 1035750855 |
17 | 4767429667 |
18 | 22058219466 |
19 | 102534463563 |
20 | 478602668159 |
21 | 2242383155726 |
22 | 10541976883286 |
23 | 49714185649417 |
24 | 235109360767014 |
25 | 1114782699692044 |
26 | 5298494249055391 |
[1,3,9,30,111,424,1705,7024,29692,127748,558219, 2469403,11039992,49796803,226348740,1035750855, 4767429667,22058219466,102534463563,478602668159, 2242383155726,10541976883286,49714185649417, 235109360767014,1114782699692044,5298494249055391] |