n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 1 |
3 | 1 |
4 | 3 |
5 | 5 |
6 | 14 |
7 | 29 |
8 | 77 |
9 | 179 |
10 | 472 |
11 | 1174 |
12 | 3100 |
13 | 8018 |
14 | 21370 |
15 | 56601 |
16 | 152337 |
17 | 409954 |
18 | 1113501 |
19 | 3030710 |
20 | 8298035 |
21 | 22780468 |
22 | 62800860 |
23 | 173586690 |
24 | 481335403 |
25 | 1337916253 |
26 | 3728371645 |
27 | 10412163861 |
28 | 29139846448 |
29 | 81705768401 |
30 | 229513225545 |
31 | 645777766253 |
[0,0,1,1,3,5,14,29,77,179,472,1174,3100,8018, 21370,56601,152337,409954,1113501,3030710,8298035, 22780468,62800860,173586690,481335403,1337916253, 3728371645,10412163861,29139846448,81705768401, 229513225545,645777766253] |