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.

A176284 Triangle T(n,k) = 1 + 3*n*k*(n-k) read by rows.

Table of values

n a(n)
0 1
1 1
2 1
3 1
4 7
5 1
6 1
7 19
8 19
9 1
10 1
11 37
12 49
13 37
14 1
15 1
16 61
17 91
18 91
19 61
20 1
21 1
22 91
23 145
24 163
25 145
26 91
27 1
28 1
29 127
30 211
31 253
32 253
33 211
34 127
35 1
36 1
37 169
38 289
39 361
40 385
41 361
42 289
43 169
44 1
45 1
46 217
47 379
48 487
49 541
50 541
51 487
52 379
53 217
54 1
55 1
56 271
57 481
58 631
59 721
60 751
61 721
62 631
63 481
64 271
65 1

List of values

[1, 1, 1, 1, 7, 1, 1, 19, 19, 1, 1, 37, 49, 37, 1, 1, 61, 91, 91, 61, 1, 1, 91, 145, 163, 145, 91, 1, 1, 127, 211, 253, 253, 211, 127, 1, 1, 169, 289, 361, 385, 361, 289, 169, 1, 1, 217, 379, 487, 541, 541, 487, 379, 217, 1, 1, 271, 481, 631, 721, 751, 721, 631, 481, 271, 1]