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.

A219998 Prime-free decades such that the previous decade is also prime-free.

Table of values

n a(n)
1 114
2 134
3 135
4 168
5 219
6 249
7 315
8 324
9 348
10 375
11 419
12 431
13 477
14 485
15 513
16 525
17 537
18 546
19 561
20 576
21 597
22 641
23 651
24 675
25 693
26 709
27 714
28 727
29 738
30 777
31 798
32 834
33 840
34 848
35 849
36 891
37 908
38 936
39 945
40 957
41 999
42 1002
43 1005
44 1038
45 1041
46 1081
47 1082
48 1092
49 1134
50 1176

List of values

[114, 134, 135, 168, 219, 249, 315, 324, 348, 375, 419, 431, 477, 485, 513, 525, 537, 546, 561, 576, 597, 641, 651, 675, 693, 709, 714, 727, 738, 777, 798, 834, 840, 848, 849, 891, 908, 936, 945, 957, 999, 1002, 1005, 1038, 1041, 1081, 1082, 1092, 1134, 1176]