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.

A004611 Divisible only by primes congruent to 1 mod 3.

Table of values

n a(n)
1 1
2 7
3 13
4 19
5 31
6 37
7 43
8 49
9 61
10 67
11 73
12 79
13 91
14 97
15 103
16 109
17 127
18 133
19 139
20 151
21 157
22 163
23 169
24 181
25 193
26 199
27 211
28 217
29 223
30 229
31 241
32 247
33 259
34 271
35 277
36 283
37 301
38 307
39 313
40 331
41 337
42 343
43 349
44 361
45 367
46 373
47 379
48 397
49 403
50 409
51 421
52 427
53 433
54 439
55 457

List of values

[1, 7, 13, 19, 31, 37, 43, 49, 61, 67, 73, 79, 91, 97, 103, 109, 127, 133, 139, 151, 157, 163, 169, 181, 193, 199, 211, 217, 223, 229, 241, 247, 259, 271, 277, 283, 301, 307, 313, 331, 337, 343, 349, 361, 367, 373, 379, 397, 403, 409, 421, 427, 433, 439, 457]