n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 3 |
4 | 8 |
5 | 19 |
6 | 57 |
7 | 158 |
8 | 498 |
9 | 1539 |
10 | 5153 |
11 | 17072 |
12 | 59518 |
13 | 206979 |
14 | 745464 |
15 | 2692747 |
16 | 9954863 |
17 | 37024599 |
18 | 139880339 |
19 | 532405810 |
20 | 2049337223 |
21 | 7946429854 |
22 | 31083121339 |
23 | 122394588218 |
24 | 485449765051 |
25 | 1936684059573 |
26 | 7774072536288 |
27 | 31366998291556 |
28 | 127230398294122 |
29 | 518455863490298 |
30 | 2122312706665651 |
[1,1,2,3,8,19,57,158,498,1539,5153,17072,59518, 206979,745464,2692747,9954863,37024599,139880339, 532405810,2049337223,7946429854,31083121339, 122394588218,485449765051,1936684059573, 7774072536288,31366998291556,127230398294122, 518455863490298,2122312706665651] |