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.

A004621 Divisible only by primes congruent to 3 mod 7.

Table of values

n a(n)
1 1
2 3
3 9
4 17
5 27
6 31
7 51
8 59
9 73
10 81
11 93
12 101
13 153
14 157
15 177
16 199
17 219
18 227
19 241
20 243
21 269
22 279
23 283
24 289
25 303
26 311
27 353
28 367
29 409
30 459
31 471
32 479
33 521
34 527
35 531
36 563
37 577
38 597
39 619
40 647
41 657
42 661
43 681
44 723
45 729
46 773
47 787
48 807
49 829
50 837
51 849
52 857
53 867
54 909
55 933

List of values

[1, 3, 9, 17, 27, 31, 51, 59, 73, 81, 93, 101, 153, 157, 177, 199, 219, 227, 241, 243, 269, 279, 283, 289, 303, 311, 353, 367, 409, 459, 471, 479, 521, 527, 531, 563, 577, 597, 619, 647, 657, 661, 681, 723, 729, 773, 787, 807, 829, 837, 849, 857, 867, 909, 933]