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.

A242251 Smallest positive number divisible by n which is not of the form a(i), a(i)+a(j), or |a(i)-a(j)| for i and j <= n-1.

Table of values

n a(n)
1 1
2 4
3 6
4 16
5 25
6 18
7 28
8 40
9 45
10 30
11 11
12 72
13 13
14 84
15 105
16 64
17 119
18 126
19 57
20 140
21 273
22 220
23 23
24 240
25 225
26 52
27 405
28 196
29 174
30 390
31 93
32 160
33 363
34 476
35 455
36 288
37 37
38 152
39 429
40 520
41 656
42 714
43 172
44 308
45 585
46 184
47 517
48 624
49 735
50 600
51 612
52 208
53 848
54 756
55 605
56 1288

List of values

[1, 4, 6, 16, 25, 18, 28, 40, 45, 30, 11, 72, 13, 84, 105, 64, 119, 126, 57, 140, 273, 220, 23, 240, 225, 52, 405, 196, 174, 390, 93, 160, 363, 476, 455, 288, 37, 152, 429, 520, 656, 714, 172, 308, 585, 184, 517, 624, 735, 600, 612, 208, 848, 756, 605, 1288]