n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 2 |
4 | 3 |
5 | 6 |
6 | 11 |
7 | 27 |
8 | 60 |
9 | 152 |
10 | 376 |
11 | 968 |
12 | 2492 |
13 | 6549 |
14 | 17259 |
15 | 46000 |
16 | 123214 |
17 | 332304 |
18 | 900406 |
19 | 2451999 |
20 | 6703925 |
[1,1,2,3,6,11,27,60,152,376,968,2492,6549,17259, 46000,123214,332304,900406,2451999,6703925] |