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.

A217407 Numbers of the form 3^r * 5^s whose decimal representation has a prime number of each digit 0-9.

Table of values

n a(n)
1 38171039656829610443115234375
2 129892841018736362457275390625
3 1766298261467341813095601383375
4 83480063729486358039093017578125
5 715350795894273434303718560266875
6 172661884789704345166683197021484375
7 65186341275865666700926353804318984375
8 5280093643345119002775034658149837734375

List of values

[38171039656829610443115234375, 129892841018736362457275390625, 1766298261467341813095601383375, 83480063729486358039093017578125, 715350795894273434303718560266875, 172661884789704345166683197021484375, 65186341275865666700926353804318984375, 5280093643345119002775034658149837734375]

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

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