n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 3 |
3 | 3 |
4 | 6 |
5 | 5 |
6 | 10 |
7 | 10 |
8 | 15 |
9 | 15 |
10 | 20 |
11 | 21 |
12 | 28 |
13 | 28 |
14 | 36 |
15 | 35 |
16 | 45 |
17 | 45 |
18 | 55 |
19 | 55 |
20 | 65 |
21 | 66 |
22 | 78 |
23 | 78 |
24 | 91 |
25 | 90 |
26 | 105 |
27 | 105 |
28 | 120 |
29 | 120 |
30 | 135 |
31 | 136 |
32 | 153 |
33 | 153 |
34 | 171 |
35 | 170 |
36 | 190 |
37 | 190 |
38 | 210 |
39 | 210 |
40 | 230 |
41 | 231 |
42 | 253 |
43 | 253 |
44 | 276 |
45 | 275 |
46 | 300 |
47 | 300 |
48 | 325 |
49 | 325 |
50 | 350 |
51 | 351 |
52 | 378 |
53 | 378 |
54 | 406 |
55 | 405 |
[0,1,3,3,6,5,10,10,15,15,20,21,28,28,36,35,45,45, 55,55,65,66,78,78,91,90,105,105,120,120,135,136, 153,153,171,170,190,190,210,210,230,231,253,253, 276,275,300,300,325,325,350,351,378,378,406,405] |