n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 10 |
3 | 36 |
4 | 118 |
5 | 376 |
6 | 1188 |
7 | 3456 |
8 | 10054 |
9 | 28814 |
10 | 79280 |
11 | 215844 |
12 | 581748 |
13 | 1528456 |
14 | 3987384 |
15 | 10295952 |
16 | 26130982 |
17 | 65874532 |
18 | 164661622 |
19 | 406787220 |
20 | 998529752 |
21 | 2434022304 |
22 | 5879630196 |
23 | 14124455856 |
24 | 33734350692 |
25 | 80000820426 |
26 | 188787849968 |
27 | 443372664504 |
28 | 1035137265552 |
[1,2,10,36,118,376,1188,3456,10054,28814,79280, 215844,581748,1528456,3987384,10295952,26130982, 65874532,164661622,406787220,998529752,2434022304, 5879630196,14124455856,33734350692,80000820426, 188787849968,443372664504,1035137265552] |