n | a(n) |
---|---|
1 | 20 |
2 | 207 |
3 | 2975 |
4 | 16415 |
5 | 159599 |
6 | 368927 |
7 | 1414655 |
8 | 2468879 |
9 | 6423647 |
10 | 20485919 |
11 | 28598399 |
12 | 69291935 |
13 | 115785599 |
14 | 146927087 |
15 | 229238975 |
16 | 418043807 |
17 | 714715439 |
18 | 844365599 |
19 | 1349819855 |
20 | 1803866399 |
21 | 2072677247 |
22 | 3076557119 |
23 | 3938461967 |
24 | 5583346559 |
25 | 8586418175 |
26 | 10509059999 |
27 | 11591637407 |
28 | 14024280815 |
29 | 15384932639 |
[20,207,2975,16415,159599,368927,1414655,2468879, 6423647,20485919,28598399,69291935,115785599, 146927087,229238975,418043807,714715439,844365599, 1349819855,1803866399,2072677247,3076557119, 3938461967,5583346559,8586418175,10509059999, 11591637407,14024280815,15384932639] |