n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 4 |
4 | 9 |
5 | 30 |
6 | 189 |
7 | 217 |
8 | 2225 |
9 | 3385 |
10 | 14357 |
11 | 30802 |
12 | 31545 |
13 | 104071 |
14 | 149689 |
15 | 1094421 |
16 | 1319945 |
17 | 10655462 |
18 | 23163298 |
19 | 112228683 |
20 | 182837804 |
21 | 203615628 |
22 | 486570087 |
23 | 1094330259 |
24 | 11992433550 |
25 | 17883926781 |
26 | 50070452577 |
27 | 52302956123 |
28 | 72178455400 |
[1,2,4,9,30,189,217,2225,3385,14357,30802,31545, 104071,149689,1094421,1319945,10655462,23163298, 112228683,182837804,203615628,486570087, 1094330259,11992433550,17883926781,50070452577, 52302956123,72178455400] |