n | a(n) |
---|---|
0 | 2 |
1 | 2 |
2 | 10 |
3 | 26 |
4 | 82 |
5 | 242 |
6 | 730 |
7 | 2186 |
8 | 6562 |
9 | 19682 |
10 | 59050 |
11 | 177146 |
12 | 531442 |
13 | 1594322 |
14 | 4782970 |
15 | 14348906 |
16 | 43046722 |
17 | 129140162 |
18 | 387420490 |
19 | 1162261466 |
20 | 3486784402 |
21 | 10460353202 |
22 | 31381059610 |
23 | 94143178826 |
24 | 282429536482 |
25 | 847288609442 |
[2,2,10,26,82,242,730,2186,6562,19682,59050, 177146,531442,1594322,4782970,14348906,43046722, 129140162,387420490,1162261466,3486784402, 10460353202,31381059610,94143178826,282429536482, 847288609442] |