n | a(n) |
---|---|
0 | 1 |
1 | 5 |
2 | 19 |
3 | 41 |
4 | 109 |
5 | 209 |
6 | 505 |
7 | 929 |
8 | 2161 |
9 | 3905 |
10 | 8929 |
11 | 16001 |
12 | 36289 |
13 | 64769 |
14 | 146305 |
15 | 260609 |
16 | 587521 |
17 | 1045505 |
18 | 2354689 |
19 | 4188161 |
20 | 9427969 |
21 | 16764929 |
22 | 37730305 |
23 | 67084289 |
24 | 150958081 |
25 | 268386305 |
26 | 603906049 |
27 | 1073643521 |
28 | 2415771649 |
29 | 4294770689 |
30 | 9663381505 |
31 | 17179475969 |
[1,5,19,41,109,209,505,929,2161,3905,8929,16001, 36289,64769,146305,260609,587521,1045505,2354689, 4188161,9427969,16764929,37730305,67084289, 150958081,268386305,603906049,1073643521, 2415771649,4294770689,9663381505,17179475969] |