n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 2 |
3 | 8 |
4 | 24 |
5 | 80 |
6 | 256 |
7 | 832 |
8 | 2688 |
9 | 8704 |
10 | 28160 |
11 | 91136 |
12 | 294912 |
13 | 954368 |
14 | 3088384 |
15 | 9994240 |
16 | 32342016 |
17 | 104660992 |
18 | 338690048 |
19 | 1096024064 |
20 | 3546808320 |
21 | 11477712896 |
22 | 37142659072 |
23 | 120196169728 |
24 | 388962975744 |
25 | 1258710630400 |
[0,1,2,8,24,80,256,832,2688,8704,28160,91136, 294912,954368,3088384,9994240,32342016,104660992, 338690048,1096024064,3546808320,11477712896, 37142659072,120196169728,388962975744, 1258710630400] |