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.

A088421 Number of primes in arithmetic progression starting with 5 and with d=2n.

Table of values

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

List of values

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