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.

A214425 Numbers n palindromic in exactly three bases b, 2 <= b <= 10.

Table of values

n a(n)
1 9
2 10
3 21
4 40
5 55
6 63
7 65
8 80
9 85
10 100
11 130
12 154
13 164
14 178
15 191
16 195
17 203
18 235
19 242
20 255
21 257
22 273
23 282
24 292
25 300
26 325
27 328
28 341
29 400
30 455
31 585
32 656
33 819
34 910
35 2709
36 4095
37 4097
38 4161
39 6643
40 8200
41 12291
42 12483
43 14762
44 20485
45 20805
46 21525
47 21845
48 32152
49 53235

List of values

[9, 10, 21, 40, 55, 63, 65, 80, 85, 100, 130, 154, 164, 178, 191, 195, 203, 235, 242, 255, 257, 273, 282, 292, 300, 325, 328, 341, 400, 455, 585, 656, 819, 910, 2709, 4095, 4097, 4161, 6643, 8200, 12291, 12483, 14762, 20485, 20805, 21525, 21845, 32152, 53235]

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

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