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.

A138120 Concatenation of n digits 1, 2n-1 digits 0 and n digits 1.

Table of values

n a(n)
1 101
2 1100011
3 11100000111
4 111100000001111
5 1111100000000011111
6 11111100000000000111111
7 111111100000000000001111111
8 1111111100000000000000011111111
9 11111111100000000000000000111111111
10 111111111100000000000000000001111111111

List of values

[101, 1100011, 11100000111, 111100000001111, 1111100000000011111, 11111100000000000111111, 111111100000000000001111111, 1111111100000000000000011111111, 11111111100000000000000000111111111, 111111111100000000000000000001111111111]

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

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