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.

A224705 Composite numbers n divisible by Omega(n)^2 (the square of the number of their prime factors, counted with multiplicity).

Table of values

n a(n)
1 4
2 16
3 18
4 27
5 45
6 63
7 99
8 117
9 144
10 153
11 171
12 200
13 207
14 216
15 256
16 261
17 279
18 300
19 324
20 333
21 360
22 369
23 384
24 387
25 423
26 450
27 477
28 500
29 504
30 531
31 540
32 549
33 576
34 603
35 639
36 640
37 657
38 675
39 700
40 711
41 747
42 750
43 756
44 792
45 801
46 873
47 896
48 900
49 909
50 927
51 936
52 960
53 963
54 981

List of values

[4, 16, 18, 27, 45, 63, 99, 117, 144, 153, 171, 200, 207, 216, 256, 261, 279, 300, 324, 333, 360, 369, 384, 387, 423, 450, 477, 500, 504, 531, 540, 549, 576, 603, 639, 640, 657, 675, 700, 711, 747, 750, 756, 792, 801, 873, 896, 900, 909, 927, 936, 960, 963, 981]

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

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