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.

A032822 Numbers whose set of base-10 digits is {1,4}.

Table of values

n a(n)
1 1
2 4
3 11
4 14
5 41
6 44
7 111
8 114
9 141
10 144
11 411
12 414
13 441
14 444
15 1111
16 1114
17 1141
18 1144
19 1411
20 1414
21 1441
22 1444
23 4111
24 4114
25 4141
26 4144
27 4411
28 4414
29 4441
30 4444
31 11111
32 11114
33 11141
34 11144
35 11411
36 11414
37 11441
38 11444
39 14111
40 14114

List of values

[1, 4, 11, 14, 41, 44, 111, 114, 141, 144, 411, 414, 441, 444, 1111, 1114, 1141, 1144, 1411, 1414, 1441, 1444, 4111, 4114, 4141, 4144, 4411, 4414, 4441, 4444, 11111, 11114, 11141, 11144, 11411, 11414, 11441, 11444, 14111, 14114]

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

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