n | a(n) |
---|---|
0 | 1 |
1 | 4 |
2 | 9 |
3 | 33 |
4 | 56 |
5 | 203 |
6 | 441 |
7 | 1596 |
8 | 2585 |
9 | 9353 |
10 | 20304 |
11 | 73461 |
12 | 124033 |
13 | 448756 |
14 | 974169 |
15 | 3524577 |
16 | 5702888 |
17 | 20633243 |
18 | 44791065 |
19 | 162055596 |
20 | 273617239 |
21 | 989956471 |
22 | 2149017696 |
23 | 7775219067 |
24 | 12591974497 |
25 | 45558191716 |
26 | 98898651657 |
[1,4,9,33,56,203,441,1596,2585,9353,20304,73461, 124033,448756,974169,3524577,5702888,20633243, 44791065,162055596,273617239,989956471,2149017696, 7775219067,12591974497,45558191716,98898651657] |