n | a(n) |
---|---|
0 | 1 |
1 | 8 |
2 | 46 |
3 | 208 |
4 | 805 |
5 | 2776 |
6 | 8742 |
7 | 25584 |
8 | 70450 |
9 | 184232 |
10 | 460832 |
11 | 1108848 |
12 | 2578295 |
13 | 5814992 |
14 | 12760598 |
15 | 27317056 |
16 | 57174768 |
17 | 117223008 |
18 | 235818894 |
19 | 466154416 |
20 | 906606234 |
21 | 1736736024 |
22 | 3280271526 |
23 | 6114139616 |
24 | 11255369609 |
25 | 20478505104 |
26 | 36849912318 |
27 | 65619691088 |
[1,8,46,208,805,2776,8742,25584,70450,184232, 460832,1108848,2578295,5814992,12760598,27317056, 57174768,117223008,235818894,466154416,906606234, 1736736024,3280271526,6114139616,11255369609, 20478505104,36849912318,65619691088] |