n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 4 |
4 | 9 |
5 | 18 |
6 | 37 |
7 | 76 |
8 | 158 |
9 | 326 |
10 | 672 |
11 | 1386 |
12 | 2862 |
13 | 5906 |
14 | 12187 |
15 | 25148 |
16 | 51900 |
17 | 107103 |
18 | 221023 |
19 | 456110 |
20 | 941256 |
21 | 1942423 |
22 | 4008481 |
23 | 8272094 |
24 | 17070712 |
25 | 35227975 |
26 | 72698206 |
27 | 150023632 |
28 | 309596255 |
29 | 638898274 |
30 | 1318462339 |
31 | 2720844607 |
32 | 5614870612 |
33 | 11587126980 |
[1,1,2,4,9,18,37,76,158,326,672,1386,2862,5906, 12187,25148,51900,107103,221023,456110,941256, 1942423,4008481,8272094,17070712,35227975, 72698206,150023632,309596255,638898274,1318462339, 2720844607,5614870612,11587126980] |