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.

A286473 Compound filter (for counting primes of form 4k+1, 4k+2 and 4k+3): a(n) = 4*A032742(n) + (A020639(n) mod 4), a(1) = 1.

Table of values

n a(n)
1 1
2 6
3 7
4 10
5 5
6 14
7 7
8 18
9 15
10 22
11 7
12 26
13 5
14 30
15 23
16 34
17 5
18 38
19 7
20 42
21 31
22 46
23 7
24 50
25 21
26 54
27 39
28 58
29 5
30 62
31 7
32 66
33 47
34 70
35 29
36 74
37 5
38 78
39 55
40 82
41 5
42 86
43 7
44 90
45 63
46 94
47 7
48 98
49 31
50 102
51 71
52 106
53 5
54 110
55 45
56 114
57 79
58 118
59 7
60 122
61 5
62 126
63 87
64 130
65 53
66 134
67 7
68 138
69 95
70 142
71 7
72 146
73 5
74 150
75 103
76 154
77 47
78 158
79 7
80 162
81 111
82 166
83 7
84 170
85 69
86 174
87 119
88 178
89 5
90 182
91 55

List of values

[1, 6, 7, 10, 5, 14, 7, 18, 15, 22, 7, 26, 5, 30, 23, 34, 5, 38, 7, 42, 31, 46, 7, 50, 21, 54, 39, 58, 5, 62, 7, 66, 47, 70, 29, 74, 5, 78, 55, 82, 5, 86, 7, 90, 63, 94, 7, 98, 31, 102, 71, 106, 5, 110, 45, 114, 79, 118, 7, 122, 5, 126, 87, 130, 53, 134, 7, 138, 95, 142, 7, 146, 5, 150, 103, 154, 47, 158, 7, 162, 111, 166, 7, 170, 69, 174, 119, 178, 5, 182, 55]