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.

A151890 Triangle read by rows: T(l,c) = 2*l*c + l + c (0 <= c <= l).

Table of values

n a(n)
0 0
1 1
2 4
3 2
4 7
5 12
6 3
7 10
8 17
9 24
10 4
11 13
12 22
13 31
14 40
15 5
16 16
17 27
18 38
19 49
20 60
21 6
22 19
23 32
24 45
25 58
26 71
27 84
28 7
29 22
30 37
31 52
32 67
33 82
34 97
35 112
36 8
37 25
38 42
39 59
40 76
41 93
42 110
43 127
44 144
45 9
46 28
47 47
48 66
49 85
50 104
51 123
52 142
53 161
54 180
55 10
56 31
57 52
58 73
59 94
60 115
61 136
62 157
63 178
64 199
65 220
66 11
67 34
68 57

List of values

[0, 1, 4, 2, 7, 12, 3, 10, 17, 24, 4, 13, 22, 31, 40, 5, 16, 27, 38, 49, 60, 6, 19, 32, 45, 58, 71, 84, 7, 22, 37, 52, 67, 82, 97, 112, 8, 25, 42, 59, 76, 93, 110, 127, 144, 9, 28, 47, 66, 85, 104, 123, 142, 161, 180, 10, 31, 52, 73, 94, 115, 136, 157, 178, 199, 220, 11, 34, 57]