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.

A306236 a(n) is the smallest integer m > n with integer j > m makes n^2, m^2 and j^2 an arithmetic progression.

Table of values

n a(n)
1 5
2 10
3 15
4 20
5 25
6 30
7 13
8 40
9 45
10 50
11 55
12 60
13 65
14 26
15 75
16 80
17 25
18 90
19 95
20 100
21 39
22 110
23 37
24 120
25 125
26 130
27 135
28 52
29 145
30 150
31 41
32 160
33 165
34 50
35 65
36 180
37 185
38 190
39 195
40 200
41 85
42 78
43 215
44 220
45 225
46 74
47 65
48 240
49 61
50 250
51 75
52 260
53 265
54 270
55 275
56 104
57 285
58 290

List of values

[5, 10, 15, 20, 25, 30, 13, 40, 45, 50, 55, 60, 65, 26, 75, 80, 25, 90, 95, 100, 39, 110, 37, 120, 125, 130, 135, 52, 145, 150, 41, 160, 165, 50, 65, 180, 185, 190, 195, 200, 85, 78, 215, 220, 225, 74, 65, 240, 61, 250, 75, 260, 265, 270, 275, 104, 285, 290]

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

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