n | a(n) |
---|---|
4 | 3 |
5 | 6 |
6 | 26 |
7 | 93 |
8 | 424 |
9 | 1180 |
10 | 4844 |
11 | 16165 |
12 | 66953 |
13 | 216804 |
14 | 852822 |
15 | 2949804 |
16 | 12119134 |
17 | 40886724 |
18 | 160826008 |
19 | 572457489 |
20 | 2331396595 |
21 | 8104270828 |
22 | 32043699894 |
23 | 115995102806 |
24 | 471268872328 |
25 | 1674576998468 |
26 | 6641876380417 |
27 | 24364816845446 |
28 | 98894256728960 |
29 | 357006263815751 |
[3,6,26,93,424,1180,4844,16165,66953,216804, 852822,2949804,12119134,40886724,160826008, 572457489,2331396595,8104270828,32043699894, 115995102806,471268872328,1674576998468, 6641876380417,24364816845446,98894256728960, 357006263815751] |