n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 3 |
3 | 7 |
4 | 19 |
5 | 47 |
6 | 127 |
7 | 330 |
8 | 889 |
9 | 2378 |
10 | 6450 |
11 | 17510 |
12 | 47907 |
13 | 131388 |
14 | 362081 |
15 | 1000665 |
16 | 2774857 |
17 | 7714695 |
18 | 21505455 |
19 | 60084062 |
20 | 168234804 |
21 | 471977022 |
22 | 1326558625 |
23 | 3734804268 |
24 | 10531738149 |
25 | 29742332548 |
26 | 84111212892 |
27 | 238176473946 |
28 | 675269414372 |
29 | 1916715819186 |
[1,1,3,7,19,47,127,330,889,2378,6450,17510,47907, 131388,362081,1000665,2774857,7714695,21505455, 60084062,168234804,471977022,1326558625, 3734804268,10531738149,29742332548,84111212892, 238176473946,675269414372,1916715819186] |