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.

A383271 Number of primes (excluding n) that may be generated by replacing any binary digit of n with a digit from 0 to 1.

Table of values

n a(n)
0 0
1 0
2 1
3 1
4 1
5 1
6 2
7 2
8 0
9 2
10 2
11 1
12 1
13 1
14 0
15 3
16 1
17 1
18 2
19 3
20 0
21 4
22 1
23 3
24 0
25 2
26 0
27 3
28 1
29 2
30 1
31 2
32 0
33 2
34 1
35 2
36 1
37 2
38 0
39 3
40 1
41 1
42 1
43 4
44 0
45 5
46 1
47 1
48 0
49 2
50 0
51 2
52 1
53 2
54 0
55 2
56 0
57 3
58 1
59 1
60 1
61 2
62 0
63 4
64 0
65 3
66 2
67 3
68 0
69 3
70 1
71 4
72 1
73 1
74 0
75 5
76 0
77 4
78 1
79 1
80 0
81 4
82 1
83 2
84 0
85 0
86 0
87 3
88 1
89 1

List of values

[0, 0, 1, 1, 1, 1, 2, 2, 0, 2, 2, 1, 1, 1, 0, 3, 1, 1, 2, 3, 0, 4, 1, 3, 0, 2, 0, 3, 1, 2, 1, 2, 0, 2, 1, 2, 1, 2, 0, 3, 1, 1, 1, 4, 0, 5, 1, 1, 0, 2, 0, 2, 1, 2, 0, 2, 0, 3, 1, 1, 1, 2, 0, 4, 0, 3, 2, 3, 0, 3, 1, 4, 1, 1, 0, 5, 0, 4, 1, 1, 0, 4, 1, 2, 0, 0, 0, 3, 1, 1]