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.

A223475 Least k such that the decimal representation of k*n has digits in nonincreasing order.

Table of values

n a(n)
1 1
2 1
3 1
4 1
5 1
6 1
7 1
8 1
9 1
10 1
11 1
12 5
13 4
14 3
15 2
16 2
17 3
18 3
19 4
20 1
21 1
22 1
23 4
24 3
25 2
26 2
27 2
28 3
29 3
30 1
31 1
32 1
33 1
34 13
35 2
36 2
37 2
38 2
39 17
40 1
41 1
42 1
43 1
44 1
45 2
46 2
47 2
48 2
49 2
50 1
51 1
52 1
53 1
54 1
55 1
56 15
57 13
58 9
59 9
60 1
61 1
62 1
63 1
64 1
65 1
66 1
67 13
68 8
69 8
70 1
71 1
72 1
73 1
74 1
75 1
76 1
77 1
78 84
79 7
80 1
81 1
82 1
83 1
84 1
85 1
86 1
87 1
88 1
89 86
90 1
91 1
92 1
93 1
94 1
95 1
96 1
97 1
98 1
99 1
100 1
101 11
102 5
103 7
104 5
105 2
106 5
107 3
108 4
109 6
110 1
111 1
112 75
113 47
114 38
115 8
116 45
117 56
118 8
119 7
120 5
121 55
122 5
123 7

List of values

[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 5, 4, 3, 2, 2, 3, 3, 4, 1, 1, 1, 4, 3, 2, 2, 2, 3, 3, 1, 1, 1, 1, 13, 2, 2, 2, 2, 17, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 15, 13, 9, 9, 1, 1, 1, 1, 1, 1, 1, 13, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 84, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 86, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 11, 5, 7, 5, 2, 5, 3, 4, 6, 1, 1, 75, 47, 38, 8, 45, 56, 8, 7, 5, 55, 5, 7]