n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 2 |
4 | 5 |
5 | 13 |
6 | 35 |
7 | 97 |
8 | 271 |
9 | 761 |
10 | 2143 |
11 | 6042 |
12 | 17043 |
13 | 48081 |
14 | 135656 |
15 | 382752 |
16 | 1079939 |
17 | 3047074 |
18 | 8597406 |
19 | 24257838 |
20 | 68444231 |
21 | 193117503 |
22 | 544886995 |
23 | 1537415492 |
24 | 4337865331 |
25 | 12239421132 |
26 | 34533905116 |
27 | 97438480950 |
[1,1,2,5,13,35,97,271,761,2143,6042,17043,48081, 135656,382752,1079939,3047074,8597406,24257838, 68444231,193117503,544886995,1537415492, 4337865331,12239421132,34533905116,97438480950] |