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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.

A328032 If there are m primes between 10^(n-1) and 10^n, a(n) is the middle prime if m is odd, otherwise the larger of the two middle primes.

Table of values

n a(n)
1 5
2 47
3 509
4 5273
5 53047
6 532907
7 5356259
8 53765519
9 539119753
10 5402600081
11 54118210441
12 541947386821
13 5425907665571
14 54313871643797
15 543611236251491
16 5440228524355381
17 54438462600610513
18 544705097744731559
19 5449909581264135103

List of values

[5, 47, 509, 5273, 53047, 532907, 5356259, 53765519, 539119753, 5402600081, 54118210441, 541947386821, 5425907665571, 54313871643797, 543611236251491, 5440228524355381, 54438462600610513, 544705097744731559, 5449909581264135103]

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

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