n | a(n) |
---|---|
1 | 0 |
2 | 0 |
3 | 1 |
4 | 2 |
5 | 4 |
6 | 6 |
7 | 9 |
8 | 12 |
9 | 16 |
10 | 20 |
11 | 25 |
12 | 30 |
13 | 36 |
14 | 43 |
15 | 50 |
16 | 57 |
17 | 64 |
18 | 72 |
19 | 80 |
20 | 89 |
21 | 98 |
22 | 108 |
23 | 118 |
24 | 129 |
25 | 141 |
26 | 154 |
27 | 167 |
28 | 180 |
29 | 194 |
30 | 208 |
31 | 222 |
32 | 236 |
33 | 251 |
34 | 266 |
35 | 282 |
36 | 298 |
37 | 315 |
38 | 333 |
39 | 352 |
40 | 371 |
41 | 391 |
42 | 411 |
43 | 431 |
44 | 452 |
45 | 473 |
46 | 495 |
47 | 517 |
48 | 540 |
49 | 563 |
50 | 587 |
51 | 611 |
52 | 636 |
53 | 661 |
54 | 687 |
55 | 714 |
56 | 741 |
57 | 768 |
[0,0,1,2,4,6,9,12,16,20,25,30,36,43,50,57,64,72, 80,89,98,108,118,129,141,154,167,180,194,208,222, 236,251,266,282,298,315,333,352,371,391,411,431, 452,473,495,517,540,563,587,611,636,661,687,714, 741,768] |