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.

A273877 Least positive integer k such that k^3 + (k+1)^3 + ... + (k+n-2)^3 + (k+n-1)^3 is the sum of two positive cubes. a(n) = 0 if no solution exists.

Table of values

n a(n)
1 0
2 1
3 11
4 2
5 10
6 31
7 6
8 70
9 4
10 42
11 4
12 4
13 15
14 174
15 6
16 2
17 70
18 556
19 18
20 378
21 2
22 119
23 4277
24 6
25 8
26 5
27 33111
28 3
29 2088
30 61
31 7
32 7
33 145
34 417
35 8
36 13
37 9
38 1424
39 23
40 18
41 106
42 101
43 7
44 39
45 138
46 276
47 13353
48 48
49 1
50 31
51 645
52 2981
53 107627
54 34
55 155
56 11
57 8
58 214
59 62
60 25
61 103
62 28

List of values

[0, 1, 11, 2, 10, 31, 6, 70, 4, 42, 4, 4, 15, 174, 6, 2, 70, 556, 18, 378, 2, 119, 4277, 6, 8, 5, 33111, 3, 2088, 61, 7, 7, 145, 417, 8, 13, 9, 1424, 23, 18, 106, 101, 7, 39, 138, 276, 13353, 48, 1, 31, 645, 2981, 107627, 34, 155, 11, 8, 214, 62, 25, 103, 28]