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.

A276569 Numbers such that ludic factor of n (A272565) does not divide n.

Table of values

n a(n)
1 19
2 31
3 49
4 59
5 73
6 79
7 85
8 101
9 103
10 109
11 113
12 133
13 137
14 139
15 145
16 151
17 163
18 167
19 169
20 191
21 197
22 199
23 203
24 205
25 229
26 241
27 251
28 253
29 259
30 263
31 269
32 271
33 281
34 289
35 293
36 295
37 299
38 311
39 317
40 319
41 323
42 343
43 347
44 349
45 355
46 367
47 371
48 373
49 379
50 385
51 391
52 401
53 403
54 409
55 413
56 439
57 443
58 449
59 451
60 457
61 461
62 469
63 473
64 479
65 487
66 491
67 499

List of values

[19, 31, 49, 59, 73, 79, 85, 101, 103, 109, 113, 133, 137, 139, 145, 151, 163, 167, 169, 191, 197, 199, 203, 205, 229, 241, 251, 253, 259, 263, 269, 271, 281, 289, 293, 295, 299, 311, 317, 319, 323, 343, 347, 349, 355, 367, 371, 373, 379, 385, 391, 401, 403, 409, 413, 439, 443, 449, 451, 457, 461, 469, 473, 479, 487, 491, 499]

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

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