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.

A284964 Numbers with digits 3 and 9 only.

Table of values

n a(n)
1 3
2 9
3 33
4 39
5 93
6 99
7 333
8 339
9 393
10 399
11 933
12 939
13 993
14 999
15 3333
16 3339
17 3393
18 3399
19 3933
20 3939
21 3993
22 3999
23 9333
24 9339
25 9393
26 9399
27 9933
28 9939
29 9993
30 9999
31 33333
32 33339
33 33393
34 33399
35 33933
36 33939
37 33993
38 33999
39 39333
40 39339
41 39393
42 39399
43 39933
44 39939

List of values

[3, 9, 33, 39, 93, 99, 333, 339, 393, 399, 933, 939, 993, 999, 3333, 3339, 3393, 3399, 3933, 3939, 3993, 3999, 9333, 9339, 9393, 9399, 9933, 9939, 9993, 9999, 33333, 33339, 33393, 33399, 33933, 33939, 33993, 33999, 39333, 39339, 39393, 39399, 39933, 39939]

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

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