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.

A253048 List of composite numbers in A098550 which appear immediately after a prime.

Table of values

n a(n)
1 4
2 6
3 10
4 33
5 18
6 42
7 48
8 58
9 70
10 82
11 90
12 102
13 110
14 120
15 126
16 140
17 144
18 154
19 150
20 182
21 180
22 198
23 200
24 220
25 216
26 228
27 272
28 252
29 280
30 270
31 300
32 306
33 312
34 330
35 336
36 340
37 348
38 360
39 390
40 392
41 396
42 400
43 442
44 438
45 468
46 440
47 506
48 480
49 484
50 500
51 486
52 518
53 528
54 540
55 574
56 546
57 570
58 572
59 616

List of values

[4, 6, 10, 33, 18, 42, 48, 58, 70, 82, 90, 102, 110, 120, 126, 140, 144, 154, 150, 182, 180, 198, 200, 220, 216, 228, 272, 252, 280, 270, 300, 306, 312, 330, 336, 340, 348, 360, 390, 392, 396, 400, 442, 438, 468, 440, 506, 480, 484, 500, 486, 518, 528, 540, 574, 546, 570, 572, 616]

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

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