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.

A262250 Primes having exactly one digit in {1, 3, 7, 9}.

Table of values

n a(n)
1 3
2 7
3 23
4 29
5 41
6 43
7 47
8 53
9 59
10 61
11 67
12 83
13 89
14 223
15 227
16 229
17 241
18 251
19 257
20 263
21 269
22 281
23 283
24 401
25 409
26 421
27 443
28 449
29 457
30 461
31 463
32 467
33 487
34 503
35 509
36 521
37 523
38 541
39 547
40 557
41 563
42 569
43 587
44 601
45 607
46 641
47 643
48 647
49 653
50 659
51 661
52 683
53 809
54 821
55 823
56 827
57 829
58 853
59 857
60 859
61 863
62 881
63 883
64 887
65 2003
66 2027
67 2029
68 2053

List of values

[3, 7, 23, 29, 41, 43, 47, 53, 59, 61, 67, 83, 89, 223, 227, 229, 241, 251, 257, 263, 269, 281, 283, 401, 409, 421, 443, 449, 457, 461, 463, 467, 487, 503, 509, 521, 523, 541, 547, 557, 563, 569, 587, 601, 607, 641, 643, 647, 653, 659, 661, 683, 809, 821, 823, 827, 829, 853, 857, 859, 863, 881, 883, 887, 2003, 2027, 2029, 2053]