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.

A190220 Numbers all of whose divisors are numbers whose decimal digits are in nonincreasing order.

Table of values

n a(n)
1 1
2 2
3 3
4 4
5 5
6 6
7 7
8 8
9 9
10 10
11 11
12 20
13 21
14 22
15 31
16 33
17 40
18 41
19 43
20 44
21 53
22 55
23 61
24 62
25 63
26 66
27 71
28 73
29 77
30 82
31 83
32 86
33 88
34 93
35 97
36 99
37 110
38 211
39 220
40 311
41 331
42 421
43 422
44 431
45 433
46 440
47 443
48 511
49 521
50 541
51 622
52 631
53 633
54 641
55 643
56 653
57 661
58 662
59 733
60 743
61 751

List of values

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 20, 21, 22, 31, 33, 40, 41, 43, 44, 53, 55, 61, 62, 63, 66, 71, 73, 77, 82, 83, 86, 88, 93, 97, 99, 110, 211, 220, 311, 331, 421, 422, 431, 433, 440, 443, 511, 521, 541, 622, 631, 633, 641, 643, 653, 661, 662, 733, 743, 751]

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

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