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.

A321503 Numbers m such that m and m+1 both have at least 3 distinct prime factors.

Table of values

n a(n)
1 230
2 285
3 429
4 434
5 455
6 494
7 560
8 594
9 609
10 615
11 644
12 645
13 650
14 665
15 714
16 740
17 741
18 759
19 804
20 805
21 819
22 825
23 854
24 860
25 884
26 902
27 935
28 945
29 969
30 986
31 987
32 1001
33 1014
34 1022
35 1034
36 1035
37 1044
38 1064
39 1065
40 1070
41 1085
42 1104
43 1105
44 1130
45 1196
46 1209
47 1220
48 1221
49 1235
50 1239
51 1245
52 1265

List of values

[230, 285, 429, 434, 455, 494, 560, 594, 609, 615, 644, 645, 650, 665, 714, 740, 741, 759, 804, 805, 819, 825, 854, 860, 884, 902, 935, 945, 969, 986, 987, 1001, 1014, 1022, 1034, 1035, 1044, 1064, 1065, 1070, 1085, 1104, 1105, 1130, 1196, 1209, 1220, 1221, 1235, 1239, 1245, 1265]