n | a(n) |
---|---|
0 | 1 |
1 | 8 |
2 | 44 |
3 | 200 |
4 | 806 |
5 | 2984 |
6 | 10364 |
7 | 34232 |
8 | 108545 |
9 | 332688 |
10 | 990736 |
11 | 2878144 |
12 | 8182432 |
13 | 22823680 |
14 | 62595328 |
15 | 169090048 |
16 | 450568960 |
17 | 1185832960 |
18 | 3085885440 |
19 | 7947714560 |
20 | 20275478528 |
21 | 51272351744 |
22 | 128605356032 |
23 | 320145981440 |
24 | 791358537728 |
25 | 1943278714880 |
26 | 4742573981696 |
[1,8,44,200,806,2984,10364,34232,108545,332688, 990736,2878144,8182432,22823680,62595328, 169090048,450568960,1185832960,3085885440, 7947714560,20275478528,51272351744,128605356032, 320145981440,791358537728,1943278714880, 4742573981696] |