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.

A370785 Powerful numbers with an even number of prime factors (counted with multiplicity).

Table of values

n a(n)
1 1
2 4
3 9
4 16
5 25
6 36
7 49
8 64
9 81
10 100
11 121
12 144
13 169
14 196
15 216
16 225
17 256
18 289
19 324
20 361
21 400
22 441
23 484
24 529
25 576
26 625
27 676
28 729
29 784
30 841
31 864
32 900
33 961
34 1000
35 1024
36 1089
37 1156
38 1225
39 1296
40 1369
41 1444
42 1521
43 1600
44 1681
45 1764
46 1849
47 1936
48 1944
49 2025
50 2116
51 2209

List of values

[1, 4, 9, 16, 25, 36, 49, 64, 81, 100, 121, 144, 169, 196, 216, 225, 256, 289, 324, 361, 400, 441, 484, 529, 576, 625, 676, 729, 784, 841, 864, 900, 961, 1000, 1024, 1089, 1156, 1225, 1296, 1369, 1444, 1521, 1600, 1681, 1764, 1849, 1936, 1944, 2025, 2116, 2209]

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

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