n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 1 |
3 | 2 |
4 | 4 |
5 | 8 |
6 | 17 |
7 | 39 |
8 | 88 |
9 | 203 |
10 | 464 |
11 | 1056 |
12 | 2381 |
13 | 5344 |
14 | 11900 |
15 | 26381 |
16 | 58165 |
17 | 127713 |
18 | 279209 |
19 | 608213 |
20 | 1319985 |
21 | 2855275 |
22 | 6155981 |
23 | 13231553 |
24 | 28353787 |
25 | 60583959 |
26 | 129084369 |
27 | 274283708 |
28 | 581244959 |
29 | 1228514486 |
30 | 2589902750 |
31 | 5446168197 |
[1,1,1,2,4,8,17,39,88,203,464,1056,2381,5344, 11900,26381,58165,127713,279209,608213,1319985, 2855275,6155981,13231553,28353787,60583959, 129084369,274283708,581244959,1228514486, 2589902750,5446168197] |