n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 13 |
3 | 61 |
4 | 263 |
5 | 1094 |
6 | 4578 |
7 | 18076 |
8 | 69815 |
9 | 262242 |
10 | 965342 |
11 | 3480006 |
12 | 12322360 |
13 | 42896002 |
14 | 147062818 |
15 | 497000146 |
16 | 1657470977 |
17 | 5459160063 |
18 | 17772284155 |
19 | 57225458626 |
20 | 182362100816 |
21 | 575463112191 |
22 | 1799106136923 |
23 | 5575063264825 |
24 | 17130798464652 |
25 | 52216240087807 |
26 | 157937816918539 |
27 | 474197830869573 |
28 | 1413695306175884 |
29 | 4185962563381518 |
[1,1,13,61,263,1094,4578,18076,69815,262242, 965342,3480006,12322360,42896002,147062818, 497000146,1657470977,5459160063,17772284155, 57225458626,182362100816,575463112191, 1799106136923,5575063264825,17130798464652, 52216240087807,157937816918539,474197830869573, 1413695306175884,4185962563381518] |