n | a(n) |
---|---|
1 | 0 |
2 | 1 |
3 | 2 |
4 | 5 |
5 | 11 |
6 | 31 |
7 | 77 |
8 | 214 |
9 | 576 |
10 | 1592 |
11 | 4375 |
12 | 12183 |
13 | 33864 |
14 | 94741 |
15 | 265461 |
16 | 746372 |
17 | 2102692 |
18 | 5938630 |
19 | 16803610 |
20 | 47639902 |
21 | 135288198 |
22 | 384812502 |
23 | 1096141974 |
24 | 3126648842 |
25 | 8929715592 |
26 | 25533447030 |
27 | 73090099586 |
28 | 209438176485 |
29 | 600721031344 |
30 | 1724585494225 |
[0,1,2,5,11,31,77,214,576,1592,4375,12183,33864, 94741,265461,746372,2102692,5938630,16803610, 47639902,135288198,384812502,1096141974, 3126648842,8929715592,25533447030,73090099586, 209438176485,600721031344,1724585494225] |