n | a(n) |
---|---|
1 | 1 |
2 | 3 |
3 | 9 |
4 | 25 |
5 | 57 |
6 | 145 |
7 | 337 |
8 | 793 |
9 | 1921 |
10 | 3849 |
11 | 8835 |
12 | 18889 |
13 | 41473 |
14 | 92305 |
15 | 203211 |
16 | 432699 |
17 | 944313 |
18 | 2027529 |
19 | 4077769 |
20 | 8745153 |
21 | 18133305 |
22 | 37898113 |
23 | 80713737 |
24 | 169730259 |
25 | 358760457 |
26 | 750591867 |
27 | 1575313473 |
28 | 3255787851 |
29 | 6751959507 |
30 | 14108682265 |
31 | 29364255033 |
32 | 61173205587 |
[1,3,9,25,57,145,337,793,1921,3849,8835,18889, 41473,92305,203211,432699,944313,2027529,4077769, 8745153,18133305,37898113,80713737,169730259, 358760457,750591867,1575313473,3255787851, 6751959507,14108682265,29364255033,61173205587] |