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.

A053180 Numbers ending in 7 which are not prime.

Table of values

n a(n)
1 27
2 57
3 77
4 87
5 117
6 147
7 177
8 187
9 207
10 217
11 237
12 247
13 267
14 287
15 297
16 327
17 357
18 377
19 387
20 407
21 417
22 427
23 437
24 447
25 477
26 497
27 507
28 517
29 527
30 537
31 567
32 597
33 627
34 637
35 657
36 667
37 687
38 697
39 707
40 717
41 737
42 747
43 767
44 777
45 807
46 817
47 837
48 847
49 867
50 897
51 917
52 927

List of values

[27, 57, 77, 87, 117, 147, 177, 187, 207, 217, 237, 247, 267, 287, 297, 327, 357, 377, 387, 407, 417, 427, 437, 447, 477, 497, 507, 517, 527, 537, 567, 597, 627, 637, 657, 667, 687, 697, 707, 717, 737, 747, 767, 777, 807, 817, 837, 847, 867, 897, 917, 927]