n | a(n) |
---|---|
0 | -1 |
1 | 15 |
2 | 55 |
3 | 119 |
4 | 207 |
5 | 319 |
6 | 455 |
7 | 615 |
8 | 799 |
9 | 1007 |
10 | 1239 |
11 | 1495 |
12 | 1775 |
13 | 2079 |
14 | 2407 |
15 | 2759 |
16 | 3135 |
17 | 3535 |
18 | 3959 |
19 | 4407 |
20 | 4879 |
21 | 5375 |
22 | 5895 |
23 | 6439 |
24 | 7007 |
25 | 7599 |
26 | 8215 |
27 | 8855 |
28 | 9519 |
29 | 10207 |
30 | 10919 |
31 | 11655 |
32 | 12415 |
33 | 13199 |
34 | 14007 |
35 | 14839 |
36 | 15695 |
37 | 16575 |
38 | 17479 |
39 | 18407 |
[-1,15,55,119,207,319,455,615,799,1007,1239,1495, 1775,2079,2407,2759,3135,3535,3959,4407,4879,5375, 5895,6439,7007,7599,8215,8855,9519,10207,10919, 11655,12415,13199,14007,14839,15695,16575,17479, 18407] |