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.

A036947 Smallest n-digit prime containing only the digits 5 and 9, or 0 if no such prime exists.

Table of values

n a(n)
1 5
2 59
3 599
4 0
5 59999
6 599959
7 5595559
8 55555559
9 555555599
10 5555555959
11 55555595999
12 555555555559
13 5555555599999
14 55555555595599
15 555555555995959
16 5555555555559959
17 55555555555555999
18 555555555555555559

List of values

[5, 59, 599, 0, 59999, 599959, 5595559, 55555559, 555555599, 5555555959, 55555595999, 555555555559, 5555555599999, 55555555595599, 555555555995959, 5555555555559959, 55555555555555999, 555555555555555559]

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

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