n | a(n) |
---|---|
1 | 10 |
2 | 18 |
3 | 30 |
4 | 56 |
5 | 109 |
6 | 219 |
7 | 450 |
8 | 933 |
9 | 1946 |
10 | 4071 |
11 | 8516 |
12 | 17823 |
13 | 37310 |
14 | 78112 |
15 | 163551 |
16 | 342461 |
17 | 717083 |
18 | 1501509 |
19 | 3144031 |
20 | 6583341 |
21 | 13784976 |
[10,18,30,56,109,219,450,933,1946,4071,8516,17823, 37310,78112,163551,342461,717083,1501509,3144031, 6583341,13784976] |