n | a(n) |
---|---|
0 | -1 |
1 | -3 |
2 | -1 |
3 | 11 |
4 | 39 |
5 | 89 |
6 | 167 |
7 | 279 |
8 | 431 |
9 | 629 |
10 | 879 |
11 | 1187 |
12 | 1559 |
13 | 2001 |
14 | 2519 |
15 | 3119 |
16 | 3807 |
17 | 4589 |
18 | 5471 |
19 | 6459 |
20 | 7559 |
21 | 8777 |
22 | 10119 |
23 | 11591 |
24 | 13199 |
25 | 14949 |
26 | 16847 |
27 | 18899 |
28 | 21111 |
29 | 23489 |
30 | 26039 |
31 | 28767 |
32 | 31679 |
33 | 34781 |
34 | 38079 |
35 | 41579 |
36 | 45287 |
37 | 49209 |
38 | 53351 |
39 | 57719 |
[-1,-3,-1,11,39,89,167,279,431,629,879,1187,1559, 2001,2519,3119,3807,4589,5471,6459,7559,8777, 10119,11591,13199,14949,16847,18899,21111,23489, 26039,28767,31679,34781,38079,41579,45287,49209, 53351,57719] |