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.

A380490 Replace prime digits of n by 0's.

Table of values

n a(n)
1 1
2 0
3 0
4 4
5 0
6 6
7 0
8 8
9 9
10 10
11 11
12 10
13 10
14 14
15 10
16 16
17 10
18 18
19 19
20 0
21 1
22 0
23 0
24 4
25 0
26 6
27 0
28 8
29 9
30 0
31 1
32 0
33 0
34 4
35 0
36 6
37 0
38 8
39 9
40 40
41 41
42 40
43 40
44 44
45 40
46 46
47 40
48 48
49 49
50 0
51 1
52 0
53 0
54 4
55 0
56 6
57 0
58 8
59 9
60 60
61 61
62 60
63 60
64 64
65 60
66 66
67 60
68 68
69 69
70 0
71 1
72 0
73 0
74 4
75 0
76 6
77 0
78 8
79 9
80 80
81 81
82 80

List of values

[1, 0, 0, 4, 0, 6, 0, 8, 9, 10, 11, 10, 10, 14, 10, 16, 10, 18, 19, 0, 1, 0, 0, 4, 0, 6, 0, 8, 9, 0, 1, 0, 0, 4, 0, 6, 0, 8, 9, 40, 41, 40, 40, 44, 40, 46, 40, 48, 49, 0, 1, 0, 0, 4, 0, 6, 0, 8, 9, 60, 61, 60, 60, 64, 60, 66, 60, 68, 69, 0, 1, 0, 0, 4, 0, 6, 0, 8, 9, 80, 81, 80]

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

Content is available under The OEIS End-User License Agreement.