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.

A141433 Triangle T(n, k) = (k-1)*(3*n-k), read by rows.

Table of values

n a(n)
1 0
2 0
3 4
4 0
5 7
6 12
7 0
8 10
9 18
10 24
11 0
12 13
13 24
14 33
15 40
16 0
17 16
18 30
19 42
20 52
21 60
22 0
23 19
24 36
25 51
26 64
27 75
28 84
29 0
30 22
31 42
32 60
33 76
34 90
35 102
36 112
37 0
38 25
39 48
40 69
41 88
42 105
43 120
44 133
45 144
46 0
47 28
48 54
49 78
50 100
51 120
52 138
53 154
54 168
55 180

List of values

[0, 0, 4, 0, 7, 12, 0, 10, 18, 24, 0, 13, 24, 33, 40, 0, 16, 30, 42, 52, 60, 0, 19, 36, 51, 64, 75, 84, 0, 22, 42, 60, 76, 90, 102, 112, 0, 25, 48, 69, 88, 105, 120, 133, 144, 0, 28, 54, 78, 100, 120, 138, 154, 168, 180]