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.

A085934 Numbers k such that (digits of k sorted in ascending order) + (digital product of k) is a palindrome. Or, sortdigits(k) + digitproduct(k) is a palindrome.

Table of values

n a(n)
1 1
2 2
3 3
4 4
5 10
6 16
7 20
8 28
9 30
10 39
11 40
12 50
13 60
14 61
15 70
16 80
17 82
18 89
19 90
20 93
21 98
22 100
23 101
24 110
25 127
26 166
27 172
28 179
29 188
30 197
31 200
32 202
33 217
34 220
35 236
36 247
37 263
38 271
39 274
40 300
41 303
42 326
43 330
44 348
45 359
46 362
47 366
48 384
49 395
50 400
51 404
52 427
53 438
54 440
55 445
56 454
57 455
58 472

List of values

[1, 2, 3, 4, 10, 16, 20, 28, 30, 39, 40, 50, 60, 61, 70, 80, 82, 89, 90, 93, 98, 100, 101, 110, 127, 166, 172, 179, 188, 197, 200, 202, 217, 220, 236, 247, 263, 271, 274, 300, 303, 326, 330, 348, 359, 362, 366, 384, 395, 400, 404, 427, 438, 440, 445, 454, 455, 472]

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

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