n | a(n) |
---|---|
7 | 1 |
8 | 6 |
9 | 40 |
10 | 184 |
11 | 688 |
12 | 2178 |
13 | 6116 |
14 | 15493 |
15 | 36203 |
16 | 78954 |
17 | 162537 |
18 | 318261 |
19 | 596881 |
20 | 1077561 |
21 | 1881218 |
22 | 3187222 |
23 | 5257026 |
24 | 8463247 |
25 | 13329249 |
26 | 20576809 |
27 | 31189362 |
28 | 46486870 |
29 | 68222601 |
30 | 98696480 |
31 | 140898502 |
32 | 198674609 |
33 | 276933307 |
34 | 381882149 |
[1,6,40,184,688,2178,6116,15493,36203,78954, 162537,318261,596881,1077561,1881218,3187222, 5257026,8463247,13329249,20576809,31189362, 46486870,68222601,98696480,140898502,198674609, 276933307,381882149] |