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.

A220654 Smallest number that can be written in binary representation in exactly n ways as concatenation of palindromes.

Table of values

n a(n)
1 0
2 3
3 9
4 7
5 17
6 23
7 34
8 15
9 33
10 39
11 55
12 47
13 66
14 88
15 72
16 31
17 65
18 71
19 103
20 79
21 133
22 111
23 152
24 95
25 130
26 136
27 215
28 176
29 277
30 144
31 273
32 63
33 129
34 135
35 199
36 143
37 443
38 207
39 284
40 159
41 261
42 280
43 239
44 223
45 588
46 260
47 264
48 191
49 258
50 376
51 272
52 336
53 627
54 431
55 529
56 352
57 532

List of values

[0, 3, 9, 7, 17, 23, 34, 15, 33, 39, 55, 47, 66, 88, 72, 31, 65, 71, 103, 79, 133, 111, 152, 95, 130, 136, 215, 176, 277, 144, 273, 63, 129, 135, 199, 143, 443, 207, 284, 159, 261, 280, 239, 223, 588, 260, 264, 191, 258, 376, 272, 336, 627, 431, 529, 352, 532]

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

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