n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 8 |
4 | 36 |
5 | 176 |
6 | 864 |
7 | 4304 |
8 | 21448 |
9 | 107168 |
10 | 535488 |
11 | 2677088 |
12 | 13383712 |
13 | 66916832 |
14 | 334575552 |
15 | 1672869152 |
16 | 8364302864 |
17 | 41821471424 |
18 | 209107142784 |
19 | 1045535499584 |
20 | 5227676426944 |
21 | 26138381063744 |
22 | 130691899964544 |
23 | 653459494468544 |
24 | 3267297445575296 |
25 | 16336487201109056 |
[1,2,8,36,176,864,4304,21448,107168,535488, 2677088,13383712,66916832,334575552,1672869152, 8364302864,41821471424,209107142784,1045535499584, 5227676426944,26138381063744,130691899964544, 653459494468544,3267297445575296, 16336487201109056] |