n | a(n) |
---|---|
0 | 1 |
1 | 17 |
2 | 108 |
3 | 444 |
4 | 1410 |
5 | 3762 |
6 | 8844 |
7 | 18876 |
8 | 37323 |
9 | 69355 |
10 | 122408 |
11 | 206856 |
12 | 336804 |
13 | 531012 |
14 | 813960 |
15 | 1217064 |
16 | 1780053 |
17 | 2552517 |
18 | 3595636 |
19 | 4984100 |
20 | 6808230 |
21 | 9176310 |
22 | 12217140 |
23 | 16082820 |
24 | 20951775 |
[1,17,108,444,1410,3762,8844,18876,37323,69355, 122408,206856,336804,531012,813960,1217064, 1780053,2552517,3595636,4984100,6808230,9176310, 12217140,16082820,20951775] |