n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 5 |
3 | 11 |
4 | 33 |
5 | 87 |
6 | 259 |
7 | 730 |
8 | 2150 |
9 | 6278 |
10 | 18622 |
11 | 55340 |
12 | 165857 |
13 | 498907 |
14 | 1509012 |
15 | 4581570 |
16 | 13967031 |
17 | 42722777 |
18 | 131110259 |
19 | 403527667 |
20 | 1245358416 |
21 | 3852965298 |
22 | 11948207174 |
23 | 37131355170 |
24 | 115623660978 |
25 | 360712069084 |
26 | 1127276560366 |
[1,1,5,11,33,87,259,730,2150,6278,18622,55340, 165857,498907,1509012,4581570,13967031,42722777, 131110259,403527667,1245358416,3852965298, 11948207174,37131355170,115623660978,360712069084, 1127276560366] |