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.

A247872 Least prime factor of A247681(n).

Table of values

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

List of values

[5, 7, 5, 7, 5, 11, 17, 5, 7, 19, 5, 11, 7, 5, 13, 5, 11, 23, 5, 19, 7, 5, 13, 7, 5, 17, 5, 7, 13, 5, 23, 7, 5, 29, 17, 5, 11, 13, 5, 31, 7, 37, 19, 5, 11, 7, 5, 17, 5, 7, 11, 5, 29, 7, 5, 17, 11, 5, 31, 23, 41, 5, 13, 7, 5, 19, 7, 5, 13, 5, 7, 5, 23, 7, 5, 19, 11, 31, 5, 5, 7, 11, 5, 37, 7, 5, 47, 53, 11, 5, 7, 43, 13, 5, 7]