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.

A069574 Smallest n-digit prime in which the k-th digit is a divisor or a multiple of k, or 0 if no such prime exists.

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%I A069574 #6 May 05 2024 19:40:54
%S A069574 2,11,113,1117,11113,111119,1111169,11111117,111111113,1111111121,
%T A069574 11111111113,111111111149,1111111111183,11111111111123,
%U A069574 111111111111389,1111111111111123,11111111111111119,111111111111111143,1111111111111111111,11111111111111111143
%N A069574 Smallest n-digit prime in which the k-th digit is a divisor or a multiple of k, or 0 if no such prime exists.
%C A069574 0's are not permitted within the primes. - _Sean A. Irvine_, May 05 2024
%H A069574 Sean A. Irvine, <a href="/A069574/b069574.txt">Table of n, a(n) for n = 1..100</a>
%Y A069574 Cf. A069570, A069571, A069572, A069573.
%K A069574 nonn,base
%O A069574 1,1
%A A069574 _Amarnath Murthy_, Mar 24 2002
%E A069574 More terms from _Sean A. Irvine_, May 05 2024