n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 8 |
4 | 26 |
5 | 123 |
6 | 334 |
7 | 1295 |
8 | 3222 |
9 | 10172 |
10 | 25300 |
11 | 69258 |
12 | 161259 |
13 | 417582 |
14 | 925972 |
15 | 2200395 |
16 | 4794092 |
17 | 10769222 |
18 | 22543912 |
19 | 48728784 |
20 | 98926942 |
[1,1,8,26,123,334,1295,3222,10172,25300,69258, 161259,417582,925972,2200395,4794092,10769222, 22543912,48728784,98926942] |