n | a(n) |
---|---|
0 | 1 |
1 | 5 |
2 | 17 |
3 | 48 |
4 | 123 |
5 | 300 |
6 | 714 |
7 | 1679 |
8 | 3925 |
9 | 9149 |
10 | 21296 |
11 | 49537 |
12 | 115192 |
13 | 267824 |
14 | 622653 |
15 | 1447533 |
16 | 3365149 |
17 | 7823068 |
18 | 18186475 |
19 | 42278476 |
20 | 98285586 |
21 | 228486323 |
22 | 531166317 |
23 | 1234811937 |
24 | 2870589548 |
25 | 6673311137 |
26 | 15513566304 |
27 | 36064666240 |
28 | 83840177305 |
[1,5,17,48,123,300,714,1679,3925,9149,21296,49537, 115192,267824,622653,1447533,3365149,7823068, 18186475,42278476,98285586,228486323,531166317, 1234811937,2870589548,6673311137,15513566304, 36064666240,83840177305] |