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.

A005099 (( Primes == -1 (mod 4) ) + 1)/4.

Table of values

n a(n)
1 1
2 2
3 3
4 5
5 6
6 8
7 11
8 12
9 15
10 17
11 18
12 20
13 21
14 26
15 27
16 32
17 33
18 35
19 38
20 41
21 42
22 45
23 48
24 50
25 53
26 56
27 57
28 60
29 63
30 66
31 68
32 71
33 77
34 78
35 83
36 87
37 90
38 92
39 95
40 96
41 105
42 108
43 110
44 111
45 116
46 117
47 120
48 122
49 123
50 125
51 126
52 131
53 137
54 141
55 143
56 147
57 150
58 152
59 155
60 158
61 161
62 162
63 165

List of values

[1, 2, 3, 5, 6, 8, 11, 12, 15, 17, 18, 20, 21, 26, 27, 32, 33, 35, 38, 41, 42, 45, 48, 50, 53, 56, 57, 60, 63, 66, 68, 71, 77, 78, 83, 87, 90, 92, 95, 96, 105, 108, 110, 111, 116, 117, 120, 122, 123, 125, 126, 131, 137, 141, 143, 147, 150, 152, 155, 158, 161, 162, 165]