n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 0 |
3 | 0 |
4 | 0 |
5 | 0 |
6 | 0 |
7 | 0 |
8 | 1 |
9 | 7 |
10 | 27 |
11 | 81 |
12 | 213 |
13 | 516 |
14 | 1183 |
15 | 2610 |
16 | 5597 |
17 | 11737 |
18 | 24154 |
19 | 48934 |
20 | 97729 |
21 | 192777 |
22 | 375859 |
23 | 725259 |
24 | 1385706 |
25 | 2623894 |
26 | 4925791 |
27 | 9173476 |
28 | 16952955 |
29 | 31103472 |
30 | 56666571 |
31 | 102552641 |
32 | 184396932 |
33 | 329502786 |
34 | 585240171 |
35 | 1033392428 |
[0,0,0,0,0,0,0,0,1,7,27,81,213,516,1183,2610,5597, 11737,24154,48934,97729,192777,375859,725259, 1385706,2623894,4925791,9173476,16952955,31103472, 56666571,102552641,184396932,329502786,585240171, 1033392428] |