n | a(n) |
---|---|
0 | 2 |
1 | 8 |
2 | 28 |
3 | 82 |
4 | 244 |
5 | 728 |
6 | 2186 |
7 | 6560 |
8 | 19684 |
9 | 59050 |
10 | 177148 |
11 | 531440 |
12 | 1594322 |
13 | 4782968 |
14 | 14348908 |
15 | 43046722 |
16 | 129140164 |
17 | 387420488 |
18 | 1162261466 |
19 | 3486784400 |
20 | 10460353204 |
21 | 31381059610 |
22 | 94143178828 |
23 | 282429536480 |
24 | 847288609442 |
[2,8,28,82,244,728,2186,6560,19684,59050,177148, 531440,1594322,4782968,14348908,43046722, 129140164,387420488,1162261466,3486784400, 10460353204,31381059610,94143178828,282429536480, 847288609442] |