n | a(n) |
---|---|
0 | 2 |
1 | 3 |
2 | 6 |
3 | 13 |
4 | 29 |
5 | 65 |
6 | 146 |
7 | 328 |
8 | 737 |
9 | 1656 |
10 | 3721 |
11 | 8361 |
12 | 18787 |
13 | 42214 |
14 | 94854 |
15 | 213135 |
16 | 478910 |
17 | 1076101 |
18 | 2417977 |
19 | 5433145 |
20 | 12208166 |
21 | 27431500 |
22 | 61638021 |
23 | 138499376 |
24 | 311205273 |
25 | 699271901 |
26 | 1571249699 |
27 | 3530566026 |
28 | 7933109850 |
29 | 17825536027 |
30 | 40053615878 |
31 | 89999657933 |
[2,3,6,13,29,65,146,328,737,1656,3721,8361,18787, 42214,94854,213135,478910,1076101,2417977,5433145, 12208166,27431500,61638021,138499376,311205273, 699271901,1571249699,3530566026,7933109850, 17825536027,40053615878,89999657933] |