n | a(n) |
---|---|
0 | 4 |
1 | 1 |
2 | -1 |
3 | 1 |
4 | 7 |
5 | 6 |
6 | -1 |
7 | 1 |
8 | 15 |
9 | 19 |
10 | 4 |
11 | 1 |
12 | 31 |
13 | 53 |
14 | 27 |
15 | 6 |
16 | 63 |
17 | 137 |
18 | 107 |
19 | 39 |
20 | 132 |
21 | 337 |
22 | 351 |
23 | 185 |
24 | 303 |
25 | 806 |
26 | 1039 |
27 | 721 |
28 | 791 |
29 | 1915 |
30 | 2884 |
31 | 2481 |
32 | 2303 |
33 | 4621 |
34 | 7683 |
35 | 7846 |
36 | 7087 |
37 | 11545 |
38 | 19987 |
39 | 23375 |
40 | 22020 |
41 | 30177 |
42 | 51519 |
43 | 66737 |
44 | 67415 |
45 | 82374 |
46 | 133215 |
47 | 184993 |
48 | 201567 |
49 | 232163 |
50 | 348804 |
[4,1,-1,1,7,6,-1,1,15,19,4,1,31,53,27,6,63,137, 107,39,132,337,351,185,303,806,1039,721,791,1915, 2884,2481,2303,4621,7683,7846,7087,11545,19987, 23375,22020,30177,51519,66737,67415,82374,133215, 184993,201567,232163,348804] |