n | a(n) |
---|---|
0 | -1 |
1 | 1 |
2 | 1 |
3 | 1 |
4 | 1 |
5 | 5 |
6 | 7 |
7 | 13 |
8 | 25 |
9 | 49 |
10 | 89 |
11 | 169 |
12 | 319 |
13 | 601 |
14 | 1129 |
15 | 2129 |
16 | 4009 |
17 | 7549 |
18 | 14215 |
19 | 26773 |
20 | 50417 |
21 | 94945 |
22 | 178801 |
23 | 336721 |
24 | 634111 |
25 | 1194161 |
26 | 2248849 |
27 | 4235041 |
28 | 7975441 |
29 | 15019381 |
30 | 28284551 |
31 | 53265565 |
32 | 100309897 |
33 | 188903953 |
[-1,1,1,1,1,5,7,13,25,49,89,169,319,601,1129,2129, 4009,7549,14215,26773,50417,94945,178801,336721, 634111,1194161,2248849,4235041,7975441,15019381, 28284551,53265565,100309897,188903953] |