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.

A270310 Primes ending with the same decimal digit as the previous or next prime.

Table of values

n a(n)
1 139
2 149
3 181
4 191
5 241
6 251
7 283
8 293
9 337
10 347
11 409
12 419
13 421
14 431
15 547
16 557
17 577
18 587
19 631
20 641
21 691
22 701
23 709
24 719
25 787
26 797
27 811
28 821
29 829
30 839
31 887
32 907
33 919
34 929
35 1021
36 1031
37 1039
38 1049
39 1051
40 1061
41 1153
42 1163
43 1171
44 1181
45 1249
46 1259
47 1399
48 1409
49 1471
50 1481
51 1627
52 1637
53 1657
54 1699
55 1709

List of values

[139, 149, 181, 191, 241, 251, 283, 293, 337, 347, 409, 419, 421, 431, 547, 557, 577, 587, 631, 641, 691, 701, 709, 719, 787, 797, 811, 821, 829, 839, 887, 907, 919, 929, 1021, 1031, 1039, 1049, 1051, 1061, 1153, 1163, 1171, 1181, 1249, 1259, 1399, 1409, 1471, 1481, 1627, 1637, 1657, 1699, 1709]