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.

A216467 Smallest numbers in the coordinates of the isolated visible lattice points in the infinite square grid.

Table of values

n a(n)
1 21
2 35
3 39
4 45
5 51
6 55
7 57
8 69
9 75
10 77
11 85
12 87
13 91
14 93
15 95
16 99
17 105
18 111
19 115
20 117
21 119
22 123
23 133
24 135
25 141
26 143
27 145
28 147
29 153
30 155
31 159
32 161
33 165
34 171
35 175
36 177
37 183
38 185
39 187
40 189
41 195
42 201
43 203
44 205
45 207
46 209
47 213
48 215
49 217
50 219
51 221
52 225
53 231
54 235
55 237
56 244
57 245

List of values

[21, 35, 39, 45, 51, 55, 57, 69, 75, 77, 85, 87, 91, 93, 95, 99, 105, 111, 115, 117, 119, 123, 133, 135, 141, 143, 145, 147, 153, 155, 159, 161, 165, 171, 175, 177, 183, 185, 187, 189, 195, 201, 203, 205, 207, 209, 213, 215, 217, 219, 221, 225, 231, 235, 237, 244, 245]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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