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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.

A271383 a(n) is the smallest k such that there are exactly n primes between k*(k-1) and k^2 and exactly n primes between k^2 and k*(k+1), or 0 if no such k exists.

Table of values

n a(n)
1 2
2 8
3 13
4 21
5 32
6 38
7 46
8 60
9 85
10 74
11 102
12 111

List of values

[2, 8, 13, 21, 32, 38, 46, 60, 85, 74, 102, 111]

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

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