n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 2 |
4 | 4 |
5 | 8 |
6 | 18 |
7 | 37 |
8 | 84 |
9 | 180 |
10 | 413 |
11 | 902 |
12 | 2084 |
13 | 4628 |
14 | 10726 |
15 | 24128 |
16 | 56085 |
17 | 127421 |
18 | 296955 |
19 | 680092 |
20 | 1588665 |
21 | 3662439 |
22 | 8574262 |
23 | 19875081 |
24 | 46628789 |
25 | 108584460 |
26 | 255264307 |
27 | 596774173 |
28 | 1405626896 |
29 | 3297314994 |
30 | 7780687159 |
31 | 18305763571 |
32 | 43271547808 |
33 | 102069399803 |
[1,1,2,4,8,18,37,84,180,413,902,2084,4628,10726, 24128,56085,127421,296955,680092,1588665,3662439, 8574262,19875081,46628789,108584460,255264307, 596774173,1405626896,3297314994,7780687159, 18305763571,43271547808,102069399803] |