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.

A249729 Numbers not fixed by A250249 and A250250.

Table of values

n a(n)
1 21
2 27
3 33
4 39
5 42
6 45
7 51
8 54
9 55
10 57
11 63
12 65
13 66
14 69
15 73
16 75
17 78
18 81
19 84
20 85
21 87
22 90
23 91
24 93
25 95
26 99
27 102
28 103
29 105
30 108
31 110
32 111
33 114
34 115
35 117
36 119
37 123
38 125
39 126
40 129
41 130
42 132
43 133
44 135
45 137
46 138
47 141
48 145
49 146
50 150
51 155
52 156
53 159
54 161
55 162
56 165
57 167
58 168
59 170
60 171
61 174
62 175
63 177
64 180
65 181
66 182
67 183
68 185
69 186
70 187
71 189
72 190
73 195
74 197
75 198
76 201

List of values

[21, 27, 33, 39, 42, 45, 51, 54, 55, 57, 63, 65, 66, 69, 73, 75, 78, 81, 84, 85, 87, 90, 91, 93, 95, 99, 102, 103, 105, 108, 110, 111, 114, 115, 117, 119, 123, 125, 126, 129, 130, 132, 133, 135, 137, 138, 141, 145, 146, 150, 155, 156, 159, 161, 162, 165, 167, 168, 170, 171, 174, 175, 177, 180, 181, 182, 183, 185, 186, 187, 189, 190, 195, 197, 198, 201]