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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.

A087243 a(n) = n + A087242(n) or a(n)=0 if A087242(n)=0; the primes arising as n + A087242(n).

Table of values

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

List of values

[3, 5, 5, 7, 7, 11, 0, 11, 11, 13, 13, 17, 0, 17, 17, 19, 19, 23, 0, 23, 23, 29, 0, 29, 0, 29, 29, 31, 31, 37, 0, 37, 0, 37, 37, 41, 0, 41, 41, 43, 43, 47, 0, 47, 47, 53, 0, 53, 0, 53, 53, 59, 0, 59, 0, 59, 59, 61, 61, 67, 0, 67, 0, 67, 67, 71, 0, 71, 71, 73, 73, 79, 0, 79, 0, 79, 79, 83, 0]

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

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