n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 0 |
3 | 3 |
4 | 14 |
5 | 40 |
6 | 90 |
7 | 175 |
8 | 308 |
9 | 504 |
10 | 780 |
11 | 1155 |
12 | 1650 |
13 | 2288 |
14 | 3094 |
15 | 4095 |
16 | 5320 |
17 | 6800 |
18 | 8568 |
19 | 10659 |
20 | 13110 |
21 | 15960 |
22 | 19250 |
23 | 23023 |
24 | 27324 |
25 | 32200 |
26 | 37700 |
27 | 43875 |
28 | 50778 |
29 | 58464 |
30 | 66990 |
31 | 76415 |
32 | 86800 |
33 | 98208 |
34 | 110704 |
35 | 124355 |
36 | 139230 |
37 | 155400 |
38 | 172938 |
39 | 191919 |
[0,0,0,3,14,40,90,175,308,504,780,1155,1650,2288, 3094,4095,5320,6800,8568,10659,13110,15960,19250, 23023,27324,32200,37700,43875,50778,58464,66990, 76415,86800,98208,110704,124355,139230,155400, 172938,191919] |