n | a(n) |
---|---|
0 | -1 |
1 | 0 |
2 | 3 |
3 | 6 |
4 | 15 |
5 | 20 |
6 | 35 |
7 | 42 |
8 | 63 |
9 | 72 |
10 | 99 |
11 | 110 |
12 | 143 |
13 | 156 |
14 | 195 |
15 | 210 |
16 | 255 |
17 | 272 |
18 | 323 |
19 | 342 |
20 | 399 |
21 | 420 |
22 | 483 |
23 | 506 |
24 | 575 |
25 | 600 |
26 | 675 |
27 | 702 |
28 | 783 |
29 | 812 |
30 | 899 |
31 | 930 |
32 | 1023 |
33 | 1056 |
34 | 1155 |
35 | 1190 |
36 | 1295 |
37 | 1332 |
38 | 1443 |
39 | 1482 |
40 | 1599 |
41 | 1640 |
42 | 1763 |
43 | 1806 |
44 | 1935 |
45 | 1980 |
46 | 2115 |
47 | 2162 |
48 | 2303 |
49 | 2352 |
50 | 2499 |
51 | 2550 |
52 | 2703 |
53 | 2756 |
54 | 2915 |
[-1,0,3,6,15,20,35,42,63,72,99,110,143,156,195, 210,255,272,323,342,399,420,483,506,575,600,675, 702,783,812,899,930,1023,1056,1155,1190,1295,1332, 1443,1482,1599,1640,1763,1806,1935,1980,2115,2162, 2303,2352,2499,2550,2703,2756,2915] |