n | a(n) |
---|---|
0 | 1 |
1 | 4 |
2 | 12 |
3 | 24 |
4 | 52 |
5 | 108 |
6 | 224 |
7 | 412 |
8 | 844 |
9 | 1528 |
10 | 3152 |
11 | 5036 |
12 | 11984 |
13 | 15040 |
14 | 46512 |
15 | 34788 |
16 | 197612 |
17 | 4036 |
18 | 929368 |
19 | -702592 |
20 | 4847552 |
21 | -7033956 |
22 | 27903296 |
23 | -54403996 |
24 | 170579740 |
[1,4,12,24,52,108,224,412,844,1528,3152,5036, 11984,15040,46512,34788,197612,4036,929368, -702592,4847552,-7033956,27903296,-54403996, 170579740] |