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.

A180263 Odd k such that (k^2 + 1)/2 is not prime.

Table of values

n a(n)
1 1
2 7
3 13
4 17
5 21
6 23
7 27
8 31
9 33
10 37
11 41
12 43
13 47
14 53
15 55
16 57
17 63
18 67
19 73
20 75
21 77
22 81
23 83
24 87
25 89
26 91
27 93
28 97
29 99
30 103
31 105
32 107
33 109
34 111
35 113
36 115
37 117
38 119
39 123
40 125
41 127
42 129
43 133
44 135
45 137
46 143
47 147
48 149
49 151
50 153
51 155
52 157
53 161
54 163
55 167
56 173
57 177
58 179
59 183
60 185

List of values

[1, 7, 13, 17, 21, 23, 27, 31, 33, 37, 41, 43, 47, 53, 55, 57, 63, 67, 73, 75, 77, 81, 83, 87, 89, 91, 93, 97, 99, 103, 105, 107, 109, 111, 113, 115, 117, 119, 123, 125, 127, 129, 133, 135, 137, 143, 147, 149, 151, 153, 155, 157, 161, 163, 167, 173, 177, 179, 183, 185]