n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 0 |
3 | 0 |
4 | 0 |
5 | 0 |
6 | 0 |
7 | 1 |
8 | 3 |
9 | 6 |
10 | 10 |
11 | 15 |
12 | 21 |
13 | 29 |
14 | 40 |
15 | 55 |
16 | 75 |
17 | 101 |
18 | 134 |
19 | 176 |
20 | 230 |
21 | 300 |
22 | 391 |
23 | 509 |
24 | 661 |
25 | 856 |
26 | 1106 |
27 | 1427 |
28 | 1840 |
29 | 2372 |
30 | 3057 |
31 | 3938 |
32 | 5070 |
33 | 6524 |
34 | 8392 |
35 | 10793 |
36 | 13880 |
37 | 17849 |
38 | 22951 |
39 | 29508 |
40 | 37934 |
41 | 48762 |
42 | 62678 |
43 | 80564 |
44 | 103553 |
45 | 133100 |
46 | 171074 |
47 | 219877 |
48 | 282597 |
49 | 363204 |
50 | 466801 |
51 | 599946 |
52 | 771066 |
53 | 990990 |
[0,0,0,0,0,0,0,1,3,6,10,15,21,29,40,55,75,101,134, 176,230,300,391,509,661,856,1106,1427,1840,2372, 3057,3938,5070,6524,8392,10793,13880,17849,22951, 29508,37934,48762,62678,80564,103553,133100, 171074,219877,282597,363204,466801,599946,771066, 990990] |