n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 32 |
3 | 8051 |
4 | 290675 |
5 | 4353175 |
6 | 38761975 |
7 | 243824182 |
8 | 1194358326 |
9 | 4842169350 |
10 | 16924669350 |
11 | 52488756425 |
12 | 147511725257 |
13 | 381689190701 |
14 | 920589376525 |
15 | 2089893985900 |
16 | 4500779925100 |
17 | 9254143113132 |
18 | 18262909865676 |
19 | 34746798604575 |
20 | 63973358604575 |
21 | 114343801467875 |
[0,0,32,8051,290675,4353175,38761975,243824182, 1194358326,4842169350,16924669350,52488756425, 147511725257,381689190701,920589376525, 2089893985900,4500779925100,9254143113132, 18262909865676,34746798604575,63973358604575, 114343801467875] |