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.

A125768 Least number k such that n*T_k +/- 1 is prime.

Table of values

n a(n)
1 1
2 1
3 1
4 1
5 3
6 1
7 3
8 1
9 3
10 1
11 3
12 1
13 3
14 1
15 3
16 1
17 3
18 1
19 3
20 1
21 3
22 1
23 3
24 1
25 3
26 2
27 3
28 1
29 3
30 1
31 4
32 1
33 3
34 2
35 3
36 1
37 3
38 1
39 3
40 1
41 4
42 1
43 3
44 1
45 3
46 1
47 3
48 1
49 3
50 2
51 3
52 1
53 3
54 1
55 3
56 2
57 4
58 1
59 3
60 1
61 3
62 1
63 3
64 2
65 3
66 1
67 3
68 1
69 4
70 1
71 4
72 1
73 3
74 1
75 3
76 2
77 3
78 1
79 7
80 1
81 3
82 1
83 3
84 1
85 3
86 2
87 3
88 1
89 8
90 1
91 3
92 2
93 3
94 2
95 3
96 1
97 4
98 1
99 3
100 1
101 3
102 1
103 3
104 1
105 3

List of values

[1, 1, 1, 1, 3, 1, 3, 1, 3, 1, 3, 1, 3, 1, 3, 1, 3, 1, 3, 1, 3, 1, 3, 1, 3, 2, 3, 1, 3, 1, 4, 1, 3, 2, 3, 1, 3, 1, 3, 1, 4, 1, 3, 1, 3, 1, 3, 1, 3, 2, 3, 1, 3, 1, 3, 2, 4, 1, 3, 1, 3, 1, 3, 2, 3, 1, 3, 1, 4, 1, 4, 1, 3, 1, 3, 2, 3, 1, 7, 1, 3, 1, 3, 1, 3, 2, 3, 1, 8, 1, 3, 2, 3, 2, 3, 1, 4, 1, 3, 1, 3, 1, 3, 1, 3]