n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 0 |
3 | 0 |
4 | 1 |
5 | 3 |
6 | 6 |
7 | 10 |
8 | 15 |
9 | 21 |
10 | 29 |
11 | 39 |
12 | 51 |
13 | 65 |
14 | 81 |
15 | 99 |
16 | 120 |
17 | 144 |
18 | 171 |
19 | 201 |
20 | 234 |
21 | 270 |
22 | 310 |
23 | 354 |
24 | 402 |
25 | 454 |
26 | 510 |
27 | 570 |
28 | 635 |
29 | 705 |
30 | 780 |
31 | 860 |
32 | 945 |
33 | 1035 |
34 | 1131 |
35 | 1233 |
36 | 1341 |
37 | 1455 |
38 | 1575 |
39 | 1701 |
40 | 1834 |
41 | 1974 |
42 | 2121 |
43 | 2275 |
44 | 2436 |
45 | 2604 |
46 | 2780 |
47 | 2964 |
48 | 3156 |
49 | 3356 |
[0,0,0,0,1,3,6,10,15,21,29,39,51,65,81,99,120,144, 171,201,234,270,310,354,402,454,510,570,635,705, 780,860,945,1035,1131,1233,1341,1455,1575,1701, 1834,1974,2121,2275,2436,2604,2780,2964,3156,3356] |