n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 12 |
3 | 32 |
4 | 152 |
5 | 472 |
6 | 1992 |
7 | 6712 |
8 | 26632 |
9 | 93752 |
10 | 360072 |
11 | 1297592 |
12 | 4898312 |
13 | 17874232 |
14 | 66857352 |
15 | 245599672 |
16 | 914173192 |
17 | 3370169912 |
18 | 12511901832 |
19 | 46213600952 |
20 | 171332619272 |
21 | 633468628792 |
22 | 2346794821512 |
23 | 8681481109432 |
[1,2,12,32,152,472,1992,6712,26632,93752,360072, 1297592,4898312,17874232,66857352,245599672, 914173192,3370169912,12511901832,46213600952, 171332619272,633468628792,2346794821512, 8681481109432] |