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.

A127851 a(n) has n 1's followed by C(n-1,2) 0's.

Table of values

n a(n)
0 0
1 1
2 11
3 1110
4 1111000
5 11111000000
6 1111110000000000
7 1111111000000000000000
8 11111111000000000000000000000
9 1111111110000000000000000000000000000

List of values

[0, 1, 11, 1110, 1111000, 11111000000, 1111110000000000, 1111111000000000000000, 11111111000000000000000000000, 1111111110000000000000000000000000000]

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

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