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.

A359749 Numbers k such that k and k+1 do not share a common exponent in their prime factorizations.

Table of values

n a(n)
1 1
2 3
3 4
4 7
5 8
6 9
7 15
8 16
9 24
10 25
11 26
12 27
13 31
14 32
15 35
16 36
17 48
18 63
19 64
20 71
21 72
22 81
23 100
24 107
25 108
26 120
27 121
28 124
29 125
30 127
31 128
32 143
33 144
34 168
35 169
36 195
37 196
38 199
39 200
40 215
41 216
42 224
43 225
44 242
45 243
46 255
47 256
48 287
49 289
50 323
51 342
52 361
53 391
54 392
55 399
56 400
57 431
58 432
59 440

List of values

[1, 3, 4, 7, 8, 9, 15, 16, 24, 25, 26, 27, 31, 32, 35, 36, 48, 63, 64, 71, 72, 81, 100, 107, 108, 120, 121, 124, 125, 127, 128, 143, 144, 168, 169, 195, 196, 199, 200, 215, 216, 224, 225, 242, 243, 255, 256, 287, 289, 323, 342, 361, 391, 392, 399, 400, 431, 432, 440]

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

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