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.

A244800 Number of moduli m such that (prime(n) mod m) is even, where 1 <= m < prime(n).

Table of values

n a(n)
1 2
2 2
3 3
4 3
5 5
6 5
7 8
8 7
9 9
10 12
11 10
12 14
13 16
14 14
15 18
16 20
17 22
18 20
19 25
20 25
21 24
22 28
23 31
24 33
25 35
26 37
27 35
28 41
29 39
30 39
31 44
32 45
33 51
34 49
35 56
36 52
37 54
38 55
39 61
40 62
41 66
42 62
43 68
44 68
45 73
46 69
47 72
48 76
49 83
50 81
51 85
52 83
53 81
54 88
55 93
56 95
57 95
58 89
59 97
60 99
61 97
62 103
63 107
64 105
65 103
66 113

List of values

[2, 2, 3, 3, 5, 5, 8, 7, 9, 12, 10, 14, 16, 14, 18, 20, 22, 20, 25, 25, 24, 28, 31, 33, 35, 37, 35, 41, 39, 39, 44, 45, 51, 49, 56, 52, 54, 55, 61, 62, 66, 62, 68, 68, 73, 69, 72, 76, 83, 81, 85, 83, 81, 88, 93, 95, 95, 89, 97, 99, 97, 103, 107, 105, 103, 113]