n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 10 |
3 | 25 |
4 | 73 |
5 | 170 |
6 | 468 |
7 | 1050 |
8 | 2799 |
9 | 6138 |
10 | 16043 |
11 | 34644 |
12 | 89390 |
13 | 190913 |
14 | 488285 |
15 | 1034228 |
16 | 2628861 |
17 | 5532322 |
18 | 14000177 |
19 | 29311171 |
20 | 73936801 |
21 | 154145390 |
22 | 387911301 |
23 | 805899231 |
24 | 2024537328 |
25 | 4193625311 |
26 | 10521409964 |
27 | 21738996250 |
[1,3,10,25,73,170,468,1050,2799,6138,16043,34644, 89390,190913,488285,1034228,2628861,5532322, 14000177,29311171,73936801,154145390,387911301, 805899231,2024537328,4193625311,10521409964, 21738996250] |