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.

A378775 Prime numbers with monotonically decreasing digits, differing by at most 1.

Table of values

n a(n)
1 2
2 3
3 5
4 7
5 11
6 43
7 211
8 433
9 443
10 877
11 887
12 2111
13 2221
14 3221
15 5443
16 8887
17 9887
18 22111
19 33211
20 43321
21 54443
22 65543
23 76543
24 98887
25 99877
26 322111
27 332221
28 443221
29 444443
30 766543
31 888887
32 988877
33 2221111
34 3221111
35 3222211
36 3222221
37 3333221
38 4322221
39 4433333
40 4443221

List of values

[2, 3, 5, 7, 11, 43, 211, 433, 443, 877, 887, 2111, 2221, 3221, 5443, 8887, 9887, 22111, 33211, 43321, 54443, 65543, 76543, 98887, 99877, 322111, 332221, 443221, 444443, 766543, 888887, 988877, 2221111, 3221111, 3222211, 3222221, 3333221, 4322221, 4433333, 4443221]

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

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