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.

A337099 Largest positive number using exactly n segments on a calculator display (when '6' and '7' are represented using 6 resp. 3 segments).

Table of values

n a(n)
2 1
3 7
4 11
5 71
6 111
7 711
8 1111
9 7111
10 11111
11 71111
12 111111
13 711111
14 1111111
15 7111111
16 11111111
17 71111111
18 111111111
19 711111111
20 1111111111
21 7111111111
22 11111111111
23 71111111111
24 111111111111
25 711111111111
26 1111111111111
27 7111111111111
28 11111111111111
29 71111111111111

List of values

[1, 7, 11, 71, 111, 711, 1111, 7111, 11111, 71111, 111111, 711111, 1111111, 7111111, 11111111, 71111111, 111111111, 711111111, 1111111111, 7111111111, 11111111111, 71111111111, 111111111111, 711111111111, 1111111111111, 7111111111111, 11111111111111, 71111111111111]

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

Content is available under The OEIS End-User License Agreement.