n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 0 |
3 | 1 |
4 | 3 |
5 | 6 |
6 | 10 |
7 | 15 |
8 | 22 |
9 | 31 |
10 | 42 |
11 | 55 |
12 | 71 |
13 | 90 |
14 | 112 |
15 | 137 |
16 | 165 |
17 | 197 |
18 | 233 |
19 | 273 |
20 | 317 |
21 | 366 |
22 | 420 |
23 | 479 |
24 | 543 |
25 | 612 |
26 | 687 |
27 | 768 |
28 | 855 |
29 | 948 |
30 | 1048 |
31 | 1155 |
32 | 1269 |
33 | 1390 |
34 | 1518 |
35 | 1654 |
36 | 1798 |
37 | 1950 |
38 | 2110 |
39 | 2279 |
40 | 2457 |
41 | 2644 |
42 | 2840 |
43 | 3045 |
44 | 3260 |
45 | 3485 |
46 | 3720 |
47 | 3965 |
48 | 4221 |
49 | 4488 |
50 | 4766 |
[0,0,0,1,3,6,10,15,22,31,42,55,71,90,112,137,165, 197,233,273,317,366,420,479,543,612,687,768,855, 948,1048,1155,1269,1390,1518,1654,1798,1950,2110, 2279,2457,2644,2840,3045,3260,3485,3720,3965,4221, 4488,4766] |