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.

A278255 Least number with the prime signature of the n-th pentagonal number.

Table of values

n a(n)
1 1
2 2
3 12
4 6
5 6
6 6
7 30
8 12
9 12
10 6
11 48
12 210
13 6
14 6
15 210
16 24
17 12
18 12
19 60
20 30
21 30
22 30
23 30
24 60
25 12
26 30
27 1080
28 30
29 6
30 30
31 30
32 240
33 60
34 6
35 420
36 60
37 30
38 6
39 210
40 420
41 6
42 120
43 192
44 30
45 60
46 6
47 210
48 840
49 12
50 12
51 420
52 210
53 6
54 120
55 210
56 60
57 210
58 6
59 120
60 210
61 30
62 30
63 420
64 96
65 30
66 30
67 180
68 210
69 30
70 210
71 30
72 1260
73 6
74 30
75 5040
76 30
77 210
78 30
79 30
80 120
81 144
82 60
83 60
84 210
85 30
86 6
87 2310

List of values

[1, 2, 12, 6, 6, 6, 30, 12, 12, 6, 48, 210, 6, 6, 210, 24, 12, 12, 60, 30, 30, 30, 30, 60, 12, 30, 1080, 30, 6, 30, 30, 240, 60, 6, 420, 60, 30, 6, 210, 420, 6, 120, 192, 30, 60, 6, 210, 840, 12, 12, 420, 210, 6, 120, 210, 60, 210, 6, 120, 210, 30, 30, 420, 96, 30, 30, 180, 210, 30, 210, 30, 1260, 6, 30, 5040, 30, 210, 30, 30, 120, 144, 60, 60, 210, 30, 6, 2310]