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.

A030144 Primes in which parity of digits alternates.

Table of values

n a(n)
1 2
2 3
3 5
4 7
5 23
6 29
7 41
8 43
9 47
10 61
11 67
12 83
13 89
14 101
15 103
16 107
17 109
18 127
19 149
20 163
21 167
22 181
23 307
24 347
25 349
26 367
27 383
28 389
29 503
30 509
31 521
32 523
33 541
34 547
35 563
36 569
37 587
38 701
39 709
40 727
41 743
42 761
43 769
44 787
45 907
46 929
47 941
48 947
49 967
50 983
51 2129
52 2141
53 2143
54 2161
55 2309

List of values

[2, 3, 5, 7, 23, 29, 41, 43, 47, 61, 67, 83, 89, 101, 103, 107, 109, 127, 149, 163, 167, 181, 307, 347, 349, 367, 383, 389, 503, 509, 521, 523, 541, 547, 563, 569, 587, 701, 709, 727, 743, 761, 769, 787, 907, 929, 941, 947, 967, 983, 2129, 2141, 2143, 2161, 2309]