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.

A124476 Smallest multiple of A047201(n) (i.e., numbers not divisible by 5) with only digits 6 and 7.

Table of values

n a(n)
1 67
2 76
3 6777
4 76
5 7776
6 6776
7 776
8 6777
9 6677
10 7776
11 676
12 6776
13 7776
14 6766
15 7776
16 76
17 67767
18 6776
19 667
20 7776
21 676
22 6777
23 6776
24 667
25 67766
26 7776
27 66777777
28 6766
29 7776
30 666777
31 76
32 77766
33 7667
34 76776
35 676777
36 6776
37 67666
38 667776
39 7776
40 67767
41 67677

List of values

[67, 76, 6777, 76, 7776, 6776, 776, 6777, 6677, 7776, 676, 6776, 7776, 6766, 7776, 76, 67767, 6776, 667, 7776, 676, 6777, 6776, 667, 67766, 7776, 66777777, 6766, 7776, 666777, 76, 77766, 7667, 76776, 676777, 6776, 67666, 667776, 7776, 67767, 67677]

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

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