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.

A202822 Numbers of the form 3*(x^2 + xy + y^2 + x + y) + 1 where x and y are integers.

Table of values

n a(n)
1 1
2 4
3 7
4 13
5 16
6 19
7 25
8 28
9 31
10 37
11 43
12 49
13 52
14 61
15 64
16 67
17 73
18 76
19 79
20 91
21 97
22 100
23 103
24 109
25 112
26 121
27 124
28 127
29 133
30 139
31 148
32 151
33 157
34 163
35 169
36 172
37 175
38 181
39 193
40 196
41 199
42 208
43 211
44 217
45 223
46 229
47 241
48 244
49 247
50 256
51 259
52 268
53 271
54 277
55 283
56 289
57 292

List of values

[1, 4, 7, 13, 16, 19, 25, 28, 31, 37, 43, 49, 52, 61, 64, 67, 73, 76, 79, 91, 97, 100, 103, 109, 112, 121, 124, 127, 133, 139, 148, 151, 157, 163, 169, 172, 175, 181, 193, 196, 199, 208, 211, 217, 223, 229, 241, 244, 247, 256, 259, 268, 271, 277, 283, 289, 292]