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.

A349688 Numbers k such that the sequence of elements of the continued fraction of the abundancy index of k is palindromic.

Table of values

n a(n)
1 1
2 6
3 24
4 28
5 30
6 42
7 54
8 66
9 70
10 78
11 84
12 90
13 96
14 102
15 114
16 120
17 138
18 140
19 174
20 186
21 220
22 222
23 246
24 258
25 264
26 270
27 282
28 308
29 318
30 330
31 342
32 348
33 354
34 364
35 366
36 402
37 426
38 438
39 474
40 476
41 496
42 498
43 532
44 534
45 582
46 606
47 618
48 642
49 644
50 654
51 660
52 672
53 678
54 744
55 760
56 762

List of values

[1, 6, 24, 28, 30, 42, 54, 66, 70, 78, 84, 90, 96, 102, 114, 120, 138, 140, 174, 186, 220, 222, 246, 258, 264, 270, 282, 308, 318, 330, 342, 348, 354, 364, 366, 402, 426, 438, 474, 476, 496, 498, 532, 534, 582, 606, 618, 642, 644, 654, 660, 672, 678, 744, 760, 762]

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

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