n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 1 |
3 | 2 |
4 | 11 |
5 | 28 |
6 | 80 |
7 | 194 |
8 | 461 |
9 | 1036 |
10 | 2263 |
11 | 4800 |
12 | 9960 |
13 | 20268 |
14 | 40577 |
15 | 80086 |
16 | 156115 |
17 | 301004 |
18 | 574744 |
19 | 1087918 |
20 | 2043229 |
21 | 3810320 |
22 | 7060079 |
23 | 13004832 |
24 | 23826480 |
25 | 43437240 |
26 | 78827425 |
27 | 142446698 |
28 | 256400411 |
29 | 459826588 |
30 | 821834624 |
31 | 1464149690 |
32 | 2600662157 |
33 | 4606368148 |
[0,0,1,2,11,28,80,194,461,1036,2263,4800,9960, 20268,40577,80086,156115,301004,574744,1087918, 2043229,3810320,7060079,13004832,23826480, 43437240,78827425,142446698,256400411,459826588, 821834624,1464149690,2600662157,4606368148] |