cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A338239 Values z of primitive solutions (x, y, z) to the Diophantine equation 2*x^3 + 2*y^3 + z^3 = 1.

Table of values

n a(n)
1 -1
2 1
3 -5
4 11
5 -17
6 19
7 29
8 -31
9 -37
10 -61
11 79
12 -85
13 113
14 -127
15 -143
16 145
17 -209
18 305
19 361
20 -485
21 487
22 545
23 647
24 667
25 811
26 -1091
27 -1151
28 1153
29 -1235
30 -1429
31 -1525
32 1597
33 1699
34 -1793
35 -2249
36 2251
37 -2533
38 2627
39 -2677
40 2977
41 -2981
42 3089
43 -3295
44 3739
45 -3887
46 3889

List of values

[-1, 1, -5, 11, -17, 19, 29, -31, -37, -61, 79, -85, 113, -127, -143, 145, -209, 305, 361, -485, 487, 545, 647, 667, 811, -1091, -1151, 1153, -1235, -1429, -1525, 1597, 1699, -1793, -2249, 2251, -2533, 2627, -2677, 2977, -2981, 3089, -3295, 3739, -3887, 3889]