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.

A386091 Primes having only {1, 2, 4, 5} as digits.

Table of values

n a(n)
1 2
2 5
3 11
4 41
5 151
6 211
7 241
8 251
9 421
10 521
11 541
12 1151
13 1451
14 1511
15 2111
16 2141
17 2221
18 2251
19 2411
20 2441
21 2521
22 2551
23 4111
24 4211
25 4241
26 4421
27 4441
28 4451
29 5441
30 5521
31 11251
32 11411
33 11551
34 12211
35 12241
36 12251
37 12421
38 12451
39 12511
40 12541
41 14221
42 14251
43 14411
44 14551

List of values

[2, 5, 11, 41, 151, 211, 241, 251, 421, 521, 541, 1151, 1451, 1511, 2111, 2141, 2221, 2251, 2411, 2441, 2521, 2551, 4111, 4211, 4241, 4421, 4441, 4451, 5441, 5521, 11251, 11411, 11551, 12211, 12241, 12251, 12421, 12451, 12511, 12541, 14221, 14251, 14411, 14551]

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

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