n | a(n) |
---|---|
3 | 1 |
4 | 5 |
5 | 18 |
6 | 57 |
7 | 169 |
8 | 482 |
9 | 1341 |
10 | 3669 |
11 | 9922 |
12 | 26609 |
13 | 70929 |
14 | 188226 |
15 | 497845 |
16 | 1313501 |
17 | 3459042 |
18 | 9096393 |
19 | 23895673 |
20 | 62721698 |
21 | 164531565 |
22 | 431397285 |
23 | 1130708866 |
24 | 2962826465 |
25 | 7761964833 |
26 | 20331456642 |
27 | 53249182309 |
28 | 139449644717 |
29 | 365166860706 |
30 | 956185155129 |
31 | 2503657040137 |
[1,5,18,57,169,482,1341,3669,9922,26609,70929, 188226,497845,1313501,3459042,9096393,23895673, 62721698,164531565,431397285,1130708866, 2962826465,7761964833,20331456642,53249182309, 139449644717,365166860706,956185155129, 2503657040137] |