n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 2 |
3 | 6 |
4 | 11 |
5 | 32 |
6 | 60 |
7 | 148 |
8 | 279 |
9 | 690 |
10 | 1312 |
11 | 2778 |
12 | 5684 |
13 | 11282 |
14 | 22920 |
15 | 44724 |
16 | 87919 |
17 | 168978 |
18 | 329800 |
19 | 623086 |
20 | 1189794 |
21 | 2235744 |
22 | 4189442 |
23 | 7795642 |
24 | 14438670 |
25 | 26577246 |
26 | 48616050 |
27 | 88724110 |
28 | 160629612 |
29 | 290267100 |
30 | 521225220 |
31 | 933031364 |
32 | 1661954928 |
33 | 2950946220 |
[1,0,2,6,11,32,60,148,279,690,1312,2778,5684, 11282,22920,44724,87919,168978,329800,623086, 1189794,2235744,4189442,7795642,14438670,26577246, 48616050,88724110,160629612,290267100,521225220, 933031364,1661954928,2950946220] |