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.

A120382 Even numbers k such that 3*k-1 and 3*k+1 are not prime.

Table of values

n a(n)
1 40
2 48
3 62
4 68
5 72
6 82
7 96
8 100
9 108
10 114
11 138
12 142
13 158
14 172
15 176
16 178
17 184
18 194
19 208
20 212
21 222
22 232
23 238
24 260
25 264
26 268
27 272
28 278
29 282
30 290
31 298
32 300
33 308
34 320
35 334
36 342
37 348
38 352
39 358
40 360
41 378
42 380
43 382
44 386
45 392
46 402
47 414
48 418
49 422
50 424
51 438
52 444
53 446
54 448
55 450

List of values

[40, 48, 62, 68, 72, 82, 96, 100, 108, 114, 138, 142, 158, 172, 176, 178, 184, 194, 208, 212, 222, 232, 238, 260, 264, 268, 272, 278, 282, 290, 298, 300, 308, 320, 334, 342, 348, 352, 358, 360, 378, 380, 382, 386, 392, 402, 414, 418, 422, 424, 438, 444, 446, 448, 450]

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

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