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.

A209839 Integers n such that for all i > n the largest prime factor of product(i+k, {k,0,15}) exceeds the largest prime factor of product(n+k, {k,0,15}).

Table of values

n a(n)
1 1
2 3
3 7
4 13
5 15
6 21
7 25
8 27
9 31
10 37
11 43
12 45
13 51
14 55
15 57
16 63
17 67
18 73
19 81
20 85
21 87
22 91
23 93
24 97
25 111
26 115
27 121
28 123
29 133
30 135
31 141
32 147
33 151
34 157
35 163
36 165
37 175
38 177
39 181
40 183
41 195
42 207
43 211
44 213
45 217
46 223
47 225
48 235
49 241
50 247
51 253
52 1330
53 1383
54 4179
55 4180
56 4181
57 5243
58 12985
59 48506
60 87161
61 211750

List of values

[1, 3, 7, 13, 15, 21, 25, 27, 31, 37, 43, 45, 51, 55, 57, 63, 67, 73, 81, 85, 87, 91, 93, 97, 111, 115, 121, 123, 133, 135, 141, 147, 151, 157, 163, 165, 175, 177, 181, 183, 195, 207, 211, 213, 217, 223, 225, 235, 241, 247, 253, 1330, 1383, 4179, 4180, 4181, 5243, 12985, 48506, 87161, 211750]