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.

A359163 Numbers of the form 4u+3 with an even number of prime factors (counted with multiplicity).

Table of values

n a(n)
1 15
2 35
3 39
4 51
5 55
6 87
7 91
8 95
9 111
10 115
11 119
12 123
13 135
14 143
15 155
16 159
17 183
18 187
19 203
20 215
21 219
22 235
23 247
24 259
25 267
26 287
27 291
28 295
29 299
30 303
31 315
32 319
33 323
34 327
35 335
36 339
37 351
38 355
39 371
40 375
41 391
42 395
43 403
44 407
45 411
46 415
47 427
48 447
49 451
50 459
51 471
52 495
53 511
54 515
55 519
56 527
57 535
58 543
59 551
60 559
61 579
62 583

List of values

[15, 35, 39, 51, 55, 87, 91, 95, 111, 115, 119, 123, 135, 143, 155, 159, 183, 187, 203, 215, 219, 235, 247, 259, 267, 287, 291, 295, 299, 303, 315, 319, 323, 327, 335, 339, 351, 355, 371, 375, 391, 395, 403, 407, 411, 415, 427, 447, 451, 459, 471, 495, 511, 515, 519, 527, 535, 543, 551, 559, 579, 583]

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

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