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.

A287142 Least k such that the number of pairs of consecutive divisors of k equals n.

Table of values

n a(n)
0 1
1 2
2 6
3 12
4 72
5 60
6 180
7 360
8 420
9 840
10 1260
11 3780
12 2520
13 5040
14 13860
15 36960
16 41580
17 27720
18 55440
19 83160
20 166320
21 277200
22 491400
23 471240
24 360360
25 1113840
26 720720
27 1081080
28 3341520
29 2162160
30 2827440
31 5405400
32 4324320
33 12972960
34 6126120
35 16576560
36 28274400

List of values

[1, 2, 6, 12, 72, 60, 180, 360, 420, 840, 1260, 3780, 2520, 5040, 13860, 36960, 41580, 27720, 55440, 83160, 166320, 277200, 491400, 471240, 360360, 1113840, 720720, 1081080, 3341520, 2162160, 2827440, 5405400, 4324320, 12972960, 6126120, 16576560, 28274400]