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.

A180561 Primes that cannot become a different prime under any mapping of some single decimal digit <=> with some other single decimal digit.

Table of values

n a(n)
1 11
2 11779
3 22669
4 23333
5 33533
6 55333
7 74279
8 77999
9 78857
10 80603
11 84871
12 88177
13 88747
14 97039
15 103091
16 112181
17 119701
18 125813
19 128147
20 131143
21 133499
22 141587
23 158771
24 159979
25 164341
26 166063
27 173933
28 175781
29 219613
30 220279
31 222601
32 227387
33 229727
34 231317
35 238829

List of values

[11, 11779, 22669, 23333, 33533, 55333, 74279, 77999, 78857, 80603, 84871, 88177, 88747, 97039, 103091, 112181, 119701, 125813, 128147, 131143, 133499, 141587, 158771, 159979, 164341, 166063, 173933, 175781, 219613, 220279, 222601, 227387, 229727, 231317, 238829]

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

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