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.

A337140 Numbers m = a + b with a and b positive integers whose product a*b = k^2 is a square.

Table of values

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

List of values

[2, 4, 5, 6, 8, 10, 12, 13, 14, 15, 16, 17, 18, 20, 22, 24, 25, 26, 28, 29, 30, 32, 34, 35, 36, 37, 38, 39, 40, 41, 42, 44, 45, 46, 48, 50, 51, 52, 53, 54, 55, 56, 58, 60, 61, 62, 64, 65, 66, 68, 70, 72, 73, 74, 75, 76, 78, 80, 82, 84, 85, 86, 87, 88, 89, 90, 91]

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

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