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.

A090030 Triangle read by rows: T(n,k) = number of distinct lines through the origin in the n-dimensional cubic lattice of side length k with one corner at the origin.

Table of values

n a(n)
0 0
1 0
2 0
3 0
4 1
5 0
6 0
7 1
8 3
9 0
10 0
11 1
12 5
13 7
14 0
15 0
16 1
17 9
18 19
19 15
20 0
21 0
22 1
23 13
24 49
25 65
26 31
27 0
28 0
29 1
30 21
31 91
32 225
33 211
34 63
35 0
36 0
37 1
38 25
39 175
40 529
41 961
42 665
43 127
44 0
45 0
46 1
47 37
48 253
49 1185
50 2851
51 3969
52 2059
53 255
54 0
55 0
56 1
57 45
58 415
59 2065
60 7471
61 14833
62 16129
63 6305
64 511
65 0
66 0
67 1
68 57
69 571
70 3745
71 15541
72 45801
73 75811
74 65025
75 19171
76 1023
77 0

List of values

[0, 0, 0, 0, 1, 0, 0, 1, 3, 0, 0, 1, 5, 7, 0, 0, 1, 9, 19, 15, 0, 0, 1, 13, 49, 65, 31, 0, 0, 1, 21, 91, 225, 211, 63, 0, 0, 1, 25, 175, 529, 961, 665, 127, 0, 0, 1, 37, 253, 1185, 2851, 3969, 2059, 255, 0, 0, 1, 45, 415, 2065, 7471, 14833, 16129, 6305, 511, 0, 0, 1, 57, 571, 3745, 15541, 45801, 75811, 65025, 19171, 1023, 0]