n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 5 |
4 | 16 |
5 | 53 |
6 | 179 |
7 | 610 |
8 | 2081 |
9 | 7103 |
10 | 24250 |
11 | 82793 |
12 | 282671 |
13 | 965098 |
14 | 3295049 |
15 | 11249999 |
16 | 38409898 |
17 | 131139593 |
18 | 447738575 |
19 | 1528675114 |
20 | 5219223305 |
21 | 17819542991 |
22 | 60839725354 |
23 | 207719815433 |
24 | 709199811023 |
25 | 2421359613226 |
26 | 8267038830857 |
27 | 28225436096975 |
28 | 96367666726186 |
[1,2,5,16,53,179,610,2081,7103,24250,82793,282671, 965098,3295049,11249999,38409898,131139593, 447738575,1528675114,5219223305,17819542991, 60839725354,207719815433,709199811023, 2421359613226,8267038830857,28225436096975, 96367666726186] |