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.

A212640 Number of divisors of A181800(n) (n-th powerful number that is the first integer of its prime signature).

Table of values

n a(n)
1 1
2 3
3 4
4 5
5 6
6 9
7 7
8 12
9 8
10 15
11 16
12 9
13 18
14 20
15 10
16 21
17 24
18 27
19 11
20 24
21 25
22 28
23 36
24 12
25 27
26 30
27 32
28 45
29 13
30 30
31 35
32 48
33 36
34 54
35 36
36 14
37 33
38 40
39 60
40 40
41 63
42 42
43 15
44 36
45 45
46 72
47 64
48 44
49 72
50 48
51 75
52 16
53 39
54 50
55 84
56 81
57 49
58 80
59 48
60 81
61 54
62 90
63 17
64 42
65 55
66 96
67 108

List of values

[1, 3, 4, 5, 6, 9, 7, 12, 8, 15, 16, 9, 18, 20, 10, 21, 24, 27, 11, 24, 25, 28, 36, 12, 27, 30, 32, 45, 13, 30, 35, 48, 36, 54, 36, 14, 33, 40, 60, 40, 63, 42, 15, 36, 45, 72, 64, 44, 72, 48, 75, 16, 39, 50, 84, 81, 49, 80, 48, 81, 54, 90, 17, 42, 55, 96, 108]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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