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.

A372092 Numbers k where records occur for d(k)/d(k+1), where d(k) is the number of divisors of k (A000005).

Table of values

n a(n)
1 1
2 2
3 4
4 6
5 12
6 30
7 36
8 60
9 180
10 240
11 420
12 1008
13 1320
14 1800
15 2160
16 2520
17 6300
18 7560
19 12600
20 15120
21 20160
22 30240
23 45360
24 55440
25 100800
26 110880
27 196560
28 332640
29 498960
30 786240
31 982800
32 1108800
33 1580040
34 1940400
35 1995840
36 2402400
37 3880800
38 4324320
39 11476080
40 11531520

List of values

[1, 2, 4, 6, 12, 30, 36, 60, 180, 240, 420, 1008, 1320, 1800, 2160, 2520, 6300, 7560, 12600, 15120, 20160, 30240, 45360, 55440, 100800, 110880, 196560, 332640, 498960, 786240, 982800, 1108800, 1580040, 1940400, 1995840, 2402400, 3880800, 4324320, 11476080, 11531520]