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.

A071814 Numbers k such that the number of 1's in the binary representation of k equals bigomega(k), the number of prime divisors of k (counted with multiplicity).

Table of values

n a(n)
1 2
2 6
3 9
4 10
5 28
6 33
7 34
8 42
9 44
10 50
11 52
12 54
13 60
14 65
15 70
16 76
17 90
18 98
19 129
20 135
21 138
22 148
23 150
24 156
25 164
26 184
27 198
28 204
29 210
30 225
31 228
32 232
33 261
34 266
35 268
36 273
37 290
38 292
39 294
40 297
41 306
42 308
43 322
44 330
45 340
46 344
47 385
48 388
49 390
50 405
51 424
52 440
53 468
54 486
55 496
56 504

List of values

[2, 6, 9, 10, 28, 33, 34, 42, 44, 50, 52, 54, 60, 65, 70, 76, 90, 98, 129, 135, 138, 148, 150, 156, 164, 184, 198, 204, 210, 225, 228, 232, 261, 266, 268, 273, 290, 292, 294, 297, 306, 308, 322, 330, 340, 344, 385, 388, 390, 405, 424, 440, 468, 486, 496, 504]

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

Content is available under The OEIS End-User License Agreement.