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.

A114255 Numbers that are nontrivial (3 digits or more) palindromes when expressed in some base 2 or greater.

Table of values

n a(n)
1 5
2 7
3 9
4 10
5 13
6 15
7 16
8 17
9 20
10 21
11 23
12 25
13 26
14 27
15 28
16 29
17 31
18 33
19 34
20 36
21 37
22 38
23 40
24 41
25 42
26 43
27 45
28 46
29 49
30 50
31 51
32 52
33 55
34 56
35 57
36 59
37 61
38 62
39 63
40 64
41 65
42 67
43 68
44 71
45 72
46 73
47 74
48 78
49 80
50 81
51 82
52 83
53 85
54 86
55 88
56 89
57 91
58 92
59 93
60 97
61 98
62 99
63 100
64 101
65 104
66 105
67 107
68 109

List of values

[5, 7, 9, 10, 13, 15, 16, 17, 20, 21, 23, 25, 26, 27, 28, 29, 31, 33, 34, 36, 37, 38, 40, 41, 42, 43, 45, 46, 49, 50, 51, 52, 55, 56, 57, 59, 61, 62, 63, 64, 65, 67, 68, 71, 72, 73, 74, 78, 80, 81, 82, 83, 85, 86, 88, 89, 91, 92, 93, 97, 98, 99, 100, 101, 104, 105, 107, 109]

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

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