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.

A120629 Numbers k with property that -k is not a perfect power and the squarefree part of -k is not congruent to 1 modulo 4.

Table of values

n a(n)
1 2
2 4
3 5
4 6
5 9
6 10
7 13
8 14
9 16
10 17
11 18
12 20
13 21
14 22
15 24
16 25
17 26
18 29
19 30
20 33
21 34
22 36
23 37
24 38
25 40
26 41
27 42
28 45
29 46
30 49
31 50
32 52
33 53
34 54
35 56
36 57
37 58
38 61
39 62
40 65
41 66
42 68
43 69
44 70
45 72
46 73
47 74
48 77
49 78
50 80
51 81
52 82
53 84
54 85
55 86
56 88
57 89
58 90
59 93
60 94
61 96
62 97
63 98
64 100
65 101
66 102
67 104
68 105
69 106

List of values

[2, 4, 5, 6, 9, 10, 13, 14, 16, 17, 18, 20, 21, 22, 24, 25, 26, 29, 30, 33, 34, 36, 37, 38, 40, 41, 42, 45, 46, 49, 50, 52, 53, 54, 56, 57, 58, 61, 62, 65, 66, 68, 69, 70, 72, 73, 74, 77, 78, 80, 81, 82, 84, 85, 86, 88, 89, 90, 93, 94, 96, 97, 98, 100, 101, 102, 104, 105, 106]