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.

A380509 Numbers of the form i+j+4ij for i,j >= 1 together with numbers of the form -i-j+4ij for i,j >= 2.

Table of values

n a(n)
1 6
2 11
3 12
4 16
5 19
6 20
7 21
8 26
9 29
10 30
11 31
12 33
13 36
14 38
15 40
16 41
17 42
18 46
19 47
20 51
21 52
22 54
23 55
24 56
25 61
26 63
27 65
28 66
29 68
30 71
31 72
32 74
33 75
34 76
35 81
36 82
37 83
38 85
39 86
40 89
41 90
42 91
43 92
44 94
45 96
46 101
47 103
48 106
49 107
50 109
51 110
52 111
53 116
54 117
55 118
56 119
57 120
58 121
59 123
60 124
61 126
62 128
63 129
64 131
65 132
66 133

List of values

[6, 11, 12, 16, 19, 20, 21, 26, 29, 30, 31, 33, 36, 38, 40, 41, 42, 46, 47, 51, 52, 54, 55, 56, 61, 63, 65, 66, 68, 71, 72, 74, 75, 76, 81, 82, 83, 85, 86, 89, 90, 91, 92, 94, 96, 101, 103, 106, 107, 109, 110, 111, 116, 117, 118, 119, 120, 121, 123, 124, 126, 128, 129, 131, 132, 133]