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.

A276381 Numbers n such that there exist a number k with A007953(n) = A007953(k*n) and 1 < k < 10.

Table of values

n a(n)
1 3
2 6
3 9
4 15
5 18
6 27
7 30
8 33
9 36
10 39
11 45
12 48
13 51
14 54
15 57
16 60
17 63
18 66
19 69
20 72
21 75
22 78
23 81
24 84
25 87
26 90
27 93
28 96
29 99
30 105
31 108
32 117
33 126
34 129
35 135
36 138
37 144
38 147
39 150
40 153
41 156
42 159
43 162
44 165
45 168
46 171
47 174
48 177
49 180
50 183
51 186
52 189
53 192
54 195
55 198
56 207
57 216
58 219
59 225
60 228
61 234
62 243

List of values

[3, 6, 9, 15, 18, 27, 30, 33, 36, 39, 45, 48, 51, 54, 57, 60, 63, 66, 69, 72, 75, 78, 81, 84, 87, 90, 93, 96, 99, 105, 108, 117, 126, 129, 135, 138, 144, 147, 150, 153, 156, 159, 162, 165, 168, 171, 174, 177, 180, 183, 186, 189, 192, 195, 198, 207, 216, 219, 225, 228, 234, 243]

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

Content is available under The OEIS End-User License Agreement.