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.

A064156 Smallest prime with n decimal digits such that the product of its digits equals n times the sum of its digits, or 0 if no such prime exists.

Table of values

n a(n)
1 2
2 0
3 167
4 1427
5 0
6 126241
7 1111457
8 12222241
9 111113543
10 0
11 0
12 111111118273
13 0
14 0
15 111111111126581
16 1111111111144841
17 0
18 111111111111126443
19 0
20 11111111111122225421
21 111111111111111135781
22 0
23 0
24 111111111111111111244561
25 1111111111111111121255521
26 0
27 111111111111111111111113797

List of values

[2, 0, 167, 1427, 0, 126241, 1111457, 12222241, 111113543, 0, 0, 111111118273, 0, 0, 111111111126581, 1111111111144841, 0, 111111111111126443, 0, 11111111111122225421, 111111111111111135781, 0, 0, 111111111111111111244561, 1111111111111111121255521, 0, 111111111111111111111113797]

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

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