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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.

A283247 a(n) is the smallest prime number whose representation contains as a substring the first n digits of Pi in base 10.

Table of values

n a(n)
1 3
2 31
3 13147
4 73141
5 314159
6 314159
7 131415923
8 1314159269
9 23141592653
10 23141592653
11 314159265359
12 3141592653581
13 213141592653589
14 1131415926535897
15 9314159265358979
16 173141592653589793
17 3141592653589793239
18 3141592653589793239
19 314159265358979323861

List of values

[3, 31, 13147, 73141, 314159, 314159, 131415923, 1314159269, 23141592653, 23141592653, 314159265359, 3141592653581, 213141592653589, 1131415926535897, 9314159265358979, 173141592653589793, 3141592653589793239, 3141592653589793239, 314159265358979323861]

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

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