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.

A205680 Prime(A205678(n)), the n-th number s(j) such that 4 divides s(k)-s(j), where the pairs (k,j) are given by A205677 and A205678.

Table of values

n a(n)
1 3
2 3
3 7
4 5
5 5
6 13
7 3
8 7
9 11
10 3
11 7
12 11
13 19
14 5
15 13
16 17
17 3
18 7
19 11
20 19
21 23
22 5
23 13
24 17
25 29
26 5
27 13
28 17
29 29
30 37
31 3
32 7
33 11
34 19
35 23
36 31
37 3
38 7
39 11
40 19
41 23
42 31
43 43
44 5
45 13
46 17
47 29
48 37
49 41
50 3
51 7
52 11
53 19
54 23
55 31
56 43
57 47
58 5
59 13
60 17
61 29
62 37
63 41
64 53
65 3
66 7
67 11
68 19
69 23
70 31
71 43
72 47
73 59
74 3
75 7

List of values

[3, 3, 7, 5, 5, 13, 3, 7, 11, 3, 7, 11, 19, 5, 13, 17, 3, 7, 11, 19, 23, 5, 13, 17, 29, 5, 13, 17, 29, 37, 3, 7, 11, 19, 23, 31, 3, 7, 11, 19, 23, 31, 43, 5, 13, 17, 29, 37, 41, 3, 7, 11, 19, 23, 31, 43, 47, 5, 13, 17, 29, 37, 41, 53, 3, 7, 11, 19, 23, 31, 43, 47, 59, 3, 7]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement.