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.

A077425 a(n) == 1 (mod 4) (see A016813), but not a square (i.e., not in A000290).

Table of values

n a(n)
1 5
2 13
3 17
4 21
5 29
6 33
7 37
8 41
9 45
10 53
11 57
12 61
13 65
14 69
15 73
16 77
17 85
18 89
19 93
20 97
21 101
22 105
23 109
24 113
25 117
26 125
27 129
28 133
29 137
30 141
31 145
32 149
33 153
34 157
35 161
36 165
37 173
38 177
39 181
40 185
41 189
42 193
43 197
44 201
45 205
46 209
47 213
48 217
49 221
50 229
51 233
52 237
53 241
54 245
55 249
56 253
57 257

List of values

[5, 13, 17, 21, 29, 33, 37, 41, 45, 53, 57, 61, 65, 69, 73, 77, 85, 89, 93, 97, 101, 105, 109, 113, 117, 125, 129, 133, 137, 141, 145, 149, 153, 157, 161, 165, 173, 177, 181, 185, 189, 193, 197, 201, 205, 209, 213, 217, 221, 229, 233, 237, 241, 245, 249, 253, 257]