n | a(n) |
---|---|
3 | 0 |
4 | 0 |
5 | 6 |
6 | 3 |
7 | 5 |
8 | 34 |
9 | 51 |
10 | 102 |
11 | 289 |
12 | 587 |
13 | 1318 |
14 | 3334 |
15 | 8009 |
16 | 19403 |
17 | 49885 |
18 | 127398 |
19 | 321568 |
20 | 840133 |
21 | 2208515 |
22 | 5741909 |
23 | 15139478 |
24 | 40172992 |
25 | 106073001 |
26 | 281352399 |
27 | 749125392 |
28 | 1992518993 |
29 | 5308389281 |
30 | 14171109533 |
31 | 37845715520 |
[0,0,6,3,5,34,51,102,289,587,1318,3334,8009,19403, 49885,127398,321568,840133,2208515,5741909, 15139478,40172992,106073001,281352399,749125392, 1992518993,5308389281,14171109533,37845715520] |