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.

A172462 Numbers k such that 2k-3, 2k-1, 2k+1 and 2k+3 are composite.

Table of values

n a(n)
1 59
2 60
3 61
4 72
5 93
6 102
7 103
8 108
9 109
10 123
11 144
12 149
13 150
14 151
15 161
16 162
17 163
18 171
19 207
20 213
21 236
22 237
23 257
24 258
25 264
26 265
27 266
28 267
29 268
30 276
31 291
32 312
33 313
34 318
35 333
36 334
37 348
38 357
39 389
40 390
41 391
42 396
43 401
44 402
45 408
46 417
47 422
48 423
49 424
50 434
51 435
52 436
53 446

List of values

[59, 60, 61, 72, 93, 102, 103, 108, 109, 123, 144, 149, 150, 151, 161, 162, 163, 171, 207, 213, 236, 237, 257, 258, 264, 265, 266, 267, 268, 276, 291, 312, 313, 318, 333, 334, 348, 357, 389, 390, 391, 396, 401, 402, 408, 417, 422, 423, 424, 434, 435, 436, 446]