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.

A083487 Triangle read by rows: T(n,k) = 2*n*k + n + k (1 <= k <= n).

Table of values

n a(n)
1 4
2 7
3 12
4 10
5 17
6 24
7 13
8 22
9 31
10 40
11 16
12 27
13 38
14 49
15 60
16 19
17 32
18 45
19 58
20 71
21 84
22 22
23 37
24 52
25 67
26 82
27 97
28 112
29 25
30 42
31 59
32 76
33 93
34 110
35 127
36 144
37 28
38 47
39 66
40 85
41 104
42 123
43 142
44 161
45 180
46 31
47 52
48 73
49 94
50 115
51 136
52 157
53 178
54 199
55 220
56 34
57 57
58 80
59 103
60 126
61 149
62 172
63 195
64 218
65 241
66 264

List of values

[4, 7, 12, 10, 17, 24, 13, 22, 31, 40, 16, 27, 38, 49, 60, 19, 32, 45, 58, 71, 84, 22, 37, 52, 67, 82, 97, 112, 25, 42, 59, 76, 93, 110, 127, 144, 28, 47, 66, 85, 104, 123, 142, 161, 180, 31, 52, 73, 94, 115, 136, 157, 178, 199, 220, 34, 57, 80, 103, 126, 149, 172, 195, 218, 241, 264]