n | a(n) |
---|---|
1 | 2 |
2 | 10 |
3 | 44 |
4 | 180 |
5 | 728 |
6 | 2928 |
7 | 11720 |
8 | 46888 |
9 | 187568 |
10 | 750304 |
11 | 3001232 |
12 | 12004960 |
13 | 48019856 |
14 | 192079504 |
15 | 768318048 |
16 | 3073272224 |
17 | 12293088960 |
18 | 49172355968 |
19 | 196689423936 |
20 | 786757695872 |
21 | 3147030783552 |
22 | 12588123134528 |
23 | 50352492538240 |
24 | 201409970153216 |
25 | 805639880612992 |
[2,10,44,180,728,2928,11720,46888,187568,750304, 3001232,12004960,48019856,192079504,768318048, 3073272224,12293088960,49172355968,196689423936, 786757695872,3147030783552,12588123134528, 50352492538240,201409970153216,805639880612992] |