n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 4 |
3 | 0 |
4 | 28 |
5 | 56 |
6 | 116 |
7 | 208 |
8 | 364 |
9 | 440 |
10 | 1716 |
11 | 2960 |
12 | 3884 |
13 | 15480 |
14 | 31348 |
15 | 60496 |
16 | 129772 |
17 | 262072 |
18 | 524212 |
19 | 1048208 |
20 | 2096684 |
21 | 4192632 |
22 | 8381300 |
23 | 16750416 |
24 | 33504748 |
25 | 67007928 |
26 | 133723572 |
27 | 266796688 |
28 | 533133868 |
29 | 1060040056 |
30 | 2088494452 |
31 | 4211052368 |
32 | 8573050348 |
[1,0,4,0,28,56,116,208,364,440,1716,2960,3884, 15480,31348,60496,129772,262072,524212,1048208, 2096684,4192632,8381300,16750416,33504748, 67007928,133723572,266796688,533133868,1060040056, 2088494452,4211052368,8573050348] |