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.

A347424 Digitally delicate truncatable primes: every suffix is prime, changing any one decimal digit always produces a composite number, except the first to zero.

Table of values

n a(n)
1 7810223
2 19579907
3 909001523
4 984960937
5 78406036607
6 90124536947
7 99020400307
8 190002706337
9 393086079907
10 500708906197
11 509000702017
12 600180367883
13 780430098443
14 3534900290107
15 5046024021013
16 6006006800743
17 6009000432797
18 9001924501223
19 12090900340283

List of values

[7810223, 19579907, 909001523, 984960937, 78406036607, 90124536947, 99020400307, 190002706337, 393086079907, 500708906197, 509000702017, 600180367883, 780430098443, 3534900290107, 5046024021013, 6006006800743, 6009000432797, 9001924501223, 12090900340283]

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

Content is available under The OEIS End-User License Agreement.