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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.

A078246 Smallest multiple of n using only digits 0 and 7.

Table of values

n a(n)
1 7
2 70
3 777
4 700
5 70
6 7770
7 7
8 7000
9 777777777
10 70
11 77
12 77700
13 7007
14 70
15 7770
16 70000
17 77707
18 7777777770
19 77007
20 700
21 777
22 770
23 770707
24 777000
25 700
26 70070
27 7707777777
28 700
29 7707707
30 7770
31 777077
32 700000
33 777777
34 777070
35 70
36 77777777700
37 777
38 770070

List of values

[7, 70, 777, 700, 70, 7770, 7, 7000, 777777777, 70, 77, 77700, 7007, 70, 7770, 70000, 77707, 7777777770, 77007, 700, 777, 770, 770707, 777000, 700, 70070, 7707777777, 700, 7707707, 7770, 777077, 700000, 777777, 777070, 70, 77777777700, 777, 770070]

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

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