n | a(n) |
---|---|
0 | 4 |
1 | 1 |
2 | -1 |
3 | 6 |
4 | 16 |
5 | 20 |
6 | 35 |
7 | 79 |
8 | 156 |
9 | 288 |
10 | 552 |
11 | 1077 |
12 | 2079 |
13 | 3994 |
14 | 7696 |
15 | 14848 |
16 | 28623 |
17 | 55159 |
18 | 106320 |
19 | 204952 |
20 | 395060 |
21 | 761489 |
22 | 1467815 |
23 | 2829318 |
24 | 5453688 |
25 | 10512308 |
26 | 20263123 |
27 | 39058439 |
28 | 75287564 |
29 | 145121432 |
30 | 279730552 |
31 | 539197989 |
32 | 1039337543 |
33 | 2003387514 |
34 | 3861653592 |
35 | 7443576640 |
36 | 14347955295 |
[4,1,-1,6,16,20,35,79,156,288,552,1077,2079,3994, 7696,14848,28623,55159,106320,204952,395060, 761489,1467815,2829318,5453688,10512308,20263123, 39058439,75287564,145121432,279730552,539197989, 1039337543,2003387514,3861653592,7443576640, 14347955295] |