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.

A139101 Numbers that show the distribution of prime numbers up to the n-th prime minus 1, using "0" for primes and "1" for nonprime numbers.

Table of values

n a(n)
1 1
2 10
3 1001
4 100101
5 1001010111
6 100101011101
7 1001010111010111
8 100101011101011101
9 1001010111010111010111
10 1001010111010111010111011111
11 100101011101011101011101111101
12 100101011101011101011101111101011111
13 1001010111010111010111011111010111110111

List of values

[1, 10, 1001, 100101, 1001010111, 100101011101, 1001010111010111, 100101011101011101, 1001010111010111010111, 1001010111010111010111011111, 100101011101011101011101111101, 100101011101011101011101111101011111, 1001010111010111010111011111010111110111]

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

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