n | a(n) |
---|---|
0 | 1 |
1 | 4 |
2 | 8 |
3 | 12 |
4 | 76 |
5 | 140 |
6 | 204 |
7 | 1228 |
8 | 2252 |
9 | 3276 |
10 | 19660 |
11 | 36044 |
12 | 52428 |
13 | 314572 |
14 | 576716 |
15 | 838860 |
16 | 5033164 |
17 | 9227468 |
18 | 13421772 |
19 | 80530636 |
20 | 147639500 |
21 | 214748364 |
22 | 1288490188 |
23 | 2362232012 |
24 | 3435973836 |
25 | 20615843020 |
26 | 37795712204 |
27 | 54975581388 |
28 | 329853488332 |
29 | 604731395276 |
[1,4,8,12,76,140,204,1228,2252,3276,19660,36044, 52428,314572,576716,838860,5033164,9227468, 13421772,80530636,147639500,214748364,1288490188, 2362232012,3435973836,20615843020,37795712204, 54975581388,329853488332,604731395276] |