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.

A143836 Triangle read by rows: T(r,c) = (prime(r+2) + prime(c+1))/2.

Table of values

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

List of values

[4, 5, 6, 7, 8, 9, 8, 9, 10, 12, 10, 11, 12, 14, 15, 11, 12, 13, 15, 16, 18, 13, 14, 15, 17, 18, 20, 21, 16, 17, 18, 20, 21, 23, 24, 26, 17, 18, 19, 21, 22, 24, 25, 27, 30, 20, 21, 22, 24, 25, 27, 28, 30, 33, 34, 22, 23, 24, 26, 27, 29, 30, 32, 35, 36, 39, 23, 24, 25, 27, 28, 30, 31, 33, 36, 37, 40, 42]

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

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