n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 2 |
3 | 3 |
4 | 5 |
5 | 14 |
6 | 30 |
7 | 62 |
8 | 139 |
9 | 305 |
10 | 660 |
11 | 1444 |
12 | 3158 |
13 | 6887 |
14 | 15037 |
15 | 32842 |
16 | 71698 |
17 | 156538 |
18 | 341799 |
19 | 746273 |
20 | 1629384 |
21 | 3557592 |
22 | 7767594 |
23 | 16959611 |
24 | 37029365 |
25 | 80849350 |
26 | 176525142 |
27 | 385422198 |
28 | 841524755 |
29 | 1837371729 |
30 | 4011688220 |
31 | 8759056412 |
32 | 19124384574 |
33 | 41755877375 |
34 | 91169119405 |
[0,0,2,3,5,14,30,62,139,305,660,1444,3158,6887, 15037,32842,71698,156538,341799,746273,1629384, 3557592,7767594,16959611,37029365,80849350, 176525142,385422198,841524755,1837371729, 4011688220,8759056412,19124384574,41755877375, 91169119405] |