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.

A385326 The number of positive k <= 2*n + 1 such that 2*n + 1 divides (2^k + 2*n + 1)^2 - 1.

Table of values

n a(n)
0 1
1 3
2 2
3 2
4 3
5 2
6 2
7 7
8 4
9 2
10 7
11 2
12 2
13 3
14 2
15 6
16 6
17 5
18 2
19 6
20 4
21 6
22 7
23 2
24 2
25 12
26 2
27 5
28 6
29 2
30 2
31 21
32 10
33 2
34 6
35 2
36 8
37 7
38 5
39 2
40 3
41 2
42 21
43 6
44 8
45 15
46 18
47 5
48 4
49 6
50 2
51 2
52 17
53 2
54 6
55 6
56 8
57 5
58 19
59 9
60 2
61 12
62 2
63 18
64 18
65 2
66 14
67 7
68 4
69 2
70 6
71 4
72 10
73 7
74 2
75 10
76 12
77 15
78 6
79 6
80 4
81 2
82 16
83 2
84 2
85 19
86 2
87 5
88 6
89 2
90 2
91 6
92 10
93 9
94 21
95 2
96 4
97 32
98 2
99 2
100 6

List of values

[1, 3, 2, 2, 3, 2, 2, 7, 4, 2, 7, 2, 2, 3, 2, 6, 6, 5, 2, 6, 4, 6, 7, 2, 2, 12, 2, 5, 6, 2, 2, 21, 10, 2, 6, 2, 8, 7, 5, 2, 3, 2, 21, 6, 8, 15, 18, 5, 4, 6, 2, 2, 17, 2, 6, 6, 8, 5, 19, 9, 2, 12, 2, 18, 18, 2, 14, 7, 4, 2, 6, 4, 10, 7, 2, 10, 12, 15, 6, 6, 4, 2, 16, 2, 2, 19, 2, 5, 6, 2, 2, 6, 10, 9, 21, 2, 4, 32, 2, 2, 6]