n | a(n) |
---|---|
1 | 2 |
2 | 8 |
3 | 28 |
4 | 97 |
5 | 338 |
6 | 1178 |
7 | 4105 |
8 | 14305 |
9 | 49850 |
10 | 173717 |
11 | 605368 |
12 | 2109583 |
13 | 7351463 |
14 | 25618337 |
15 | 89274637 |
16 | 311103754 |
17 | 1084132616 |
18 | 3777979256 |
19 | 13165480909 |
20 | 45878993986 |
21 | 159878860766 |
22 | 557144956745 |
23 | 1941535618525 |
24 | 6765852427390 |
[2,8,28,97,338,1178,4105,14305,49850,173717, 605368,2109583,7351463,25618337,89274637, 311103754,1084132616,3777979256,13165480909, 45878993986,159878860766,557144956745, 1941535618525,6765852427390] |