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.

A143958 Integers n > 1 such that n-1 is divisible by the difference between the largest and smallest primes dividing n.

Table of values

n a(n)
1 6
2 10
3 12
4 15
5 18
6 21
7 24
8 33
9 35
10 36
11 40
12 45
13 48
14 54
15 55
16 56
17 65
18 72
19 75
20 77
21 78
22 85
23 91
24 96
25 100
26 105
27 108
28 126
29 133
30 135
31 136
32 143
33 144
34 145
35 154
36 160
37 161
38 162
39 175
40 187
41 189
42 192
43 196
44 209
45 216
46 217
47 221
48 225
49 245
50 247
51 250
52 253
53 261
54 288
55 297
56 323
57 324
58 336

List of values

[6, 10, 12, 15, 18, 21, 24, 33, 35, 36, 40, 45, 48, 54, 55, 56, 65, 72, 75, 77, 78, 85, 91, 96, 100, 105, 108, 126, 133, 135, 136, 143, 144, 145, 154, 160, 161, 162, 175, 187, 189, 192, 196, 209, 216, 217, 221, 225, 245, 247, 250, 253, 261, 288, 297, 323, 324, 336]

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

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