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.

A180539 Primes that become a different prime under the mapping 2 <=> 9.

Table of values

n a(n)
1 127
2 197
3 211
4 227
5 241
6 271
7 277
8 283
9 421
10 491
11 523
12 593
13 727
14 797
15 911
16 941
17 971
18 977
19 983
20 997
21 1021
22 1091
23 1123
24 1193
25 1201
26 1213
27 1223
28 1231
29 1423
30 1493
31 1627
32 1697
33 1901
34 1913
35 1931
36 1993
37 2011
38 2137
39 2161
40 2207
41 2267
42 2273
43 2293
44 2311
45 2341

List of values

[127, 197, 211, 227, 241, 271, 277, 283, 421, 491, 523, 593, 727, 797, 911, 941, 971, 977, 983, 997, 1021, 1091, 1123, 1193, 1201, 1213, 1223, 1231, 1423, 1493, 1627, 1697, 1901, 1913, 1931, 1993, 2011, 2137, 2161, 2207, 2267, 2273, 2293, 2311, 2341]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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