n | a(n) |
---|---|
-1 | 0 |
0 | 1 |
1 | 4 |
2 | 7 |
3 | 10 |
4 | 15 |
5 | 20 |
6 | 25 |
7 | 30 |
8 | 35 |
9 | 42 |
10 | 49 |
11 | 56 |
12 | 63 |
13 | 70 |
14 | 77 |
15 | 84 |
16 | 93 |
17 | 102 |
18 | 111 |
19 | 120 |
20 | 129 |
21 | 138 |
22 | 147 |
23 | 156 |
24 | 165 |
25 | 176 |
26 | 187 |
27 | 198 |
28 | 209 |
29 | 220 |
30 | 231 |
31 | 242 |
32 | 253 |
33 | 264 |
34 | 275 |
35 | 286 |
36 | 299 |
37 | 312 |
38 | 325 |
39 | 338 |
40 | 351 |
41 | 364 |
42 | 377 |
43 | 390 |
44 | 403 |
45 | 416 |
46 | 429 |
47 | 442 |
48 | 455 |
49 | 470 |
50 | 485 |
51 | 500 |
52 | 515 |
53 | 530 |
54 | 545 |
55 | 560 |
[0,1,4,7,10,15,20,25,30,35,42,49,56,63,70,77,84, 93,102,111,120,129,138,147,156,165,176,187,198, 209,220,231,242,253,264,275,286,299,312,325,338, 351,364,377,390,403,416,429,442,455,470,485,500, 515,530,545,560] |