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.

A199342 Primes having only {2, 3, 4} as digits.

Table of values

n a(n)
1 2
2 3
3 23
4 43
5 223
6 233
7 433
8 443
9 2243
10 2333
11 2423
12 3323
13 3343
14 3433
15 4243
16 4423
17 22343
18 22433
19 23333
20 24223
21 24443
22 32233
23 32323
24 32423
25 32443
26 33223
27 33343
28 42223
29 42323
30 42433
31 42443
32 43223
33 222323
34 223243
35 223423
36 224233
37 224423
38 224443
39 232333
40 232433
41 233323
42 233423
43 234323
44 234343
45 242243
46 243233
47 243343
48 243433
49 244243
50 244333

List of values

[2, 3, 23, 43, 223, 233, 433, 443, 2243, 2333, 2423, 3323, 3343, 3433, 4243, 4423, 22343, 22433, 23333, 24223, 24443, 32233, 32323, 32423, 32443, 33223, 33343, 42223, 42323, 42433, 42443, 43223, 222323, 223243, 223423, 224233, 224423, 224443, 232333, 232433, 233323, 233423, 234323, 234343, 242243, 243233, 243343, 243433, 244243, 244333]

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

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