n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 4 |
4 | 7 |
5 | 14 |
6 | 26 |
7 | 49 |
8 | 93 |
9 | 175 |
10 | 331 |
11 | 625 |
12 | 1180 |
13 | 2229 |
14 | 4209 |
15 | 7949 |
16 | 15012 |
17 | 28350 |
18 | 53540 |
19 | 101111 |
20 | 190950 |
21 | 360613 |
22 | 681024 |
23 | 1286127 |
24 | 2428875 |
25 | 4586976 |
26 | 8662591 |
27 | 16359466 |
28 | 30895160 |
29 | 58346092 |
30 | 110187694 |
31 | 208091537 |
32 | 392984789 |
33 | 742159180 |
[1,1,2,4,7,14,26,49,93,175,331,625,1180,2229,4209, 7949,15012,28350,53540,101111,190950,360613, 681024,1286127,2428875,4586976,8662591,16359466, 30895160,58346092,110187694,208091537,392984789, 742159180] |