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.

A359153 Numbers of the form 4u+3 with an odd number of prime factors (counted with multiplicity).

Table of values

n a(n)
1 3
2 7
3 11
4 19
5 23
6 27
7 31
8 43
9 47
10 59
11 63
12 67
13 71
14 75
15 79
16 83
17 99
18 103
19 107
20 127
21 131
22 139
23 147
24 151
25 163
26 167
27 171
28 175
29 179
30 191
31 195
32 199
33 207
34 211
35 223
36 227
37 231
38 239
39 243
40 251
41 255
42 263
43 271
44 275
45 279
46 283
47 307
48 311
49 331
50 343
51 347
52 359
53 363
54 367
55 379
56 383
57 387
58 399
59 419
60 423
61 431
62 435
63 439
64 443

List of values

[3, 7, 11, 19, 23, 27, 31, 43, 47, 59, 63, 67, 71, 75, 79, 83, 99, 103, 107, 127, 131, 139, 147, 151, 163, 167, 171, 175, 179, 191, 195, 199, 207, 211, 223, 227, 231, 239, 243, 251, 255, 263, 271, 275, 279, 283, 307, 311, 331, 343, 347, 359, 363, 367, 379, 383, 387, 399, 419, 423, 431, 435, 439, 443]

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

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