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.

A135112 Integers n such that 10^n+93 is a prime number.

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%I A135112 #31 Sep 08 2022 08:45:32
%S A135112 1,2,3,4,9,61,78,116,632,1184,2034,3870,3914,6456,12464,58250
%N A135112 Integers n such that 10^n+93 is a prime number.
%C A135112 The next term, if one exists, is >100000. - _Robert Price_, Apr 25 2011
%C A135112 See Kamada link - primecount.txt for terms, primesize.txt for discovery details including probable or proved primes - search on "10093".
%H A135112 Makoto Kamada, <a href="https://stdkmd.net/nrr/prime/">List of near-repdigit-related prime numbers</a>.
%H A135112 <a href="/index/Pri#Pri_rep">Index entries for primes involving repunits</a>.
%e A135112 4 is a member: 10^4+93 = 10000+93 = 10093, which is a prime number.
%t A135112 Select[Range[2000], PrimeQ[10^# + 93] &] (* _Vincenzo Librandi_, Nov 02 2014 *)
%o A135112 (Magma) [n: n in [1..500]| IsPrime(10^n+93)]; // _Vincenzo Librandi_, Nov 02 2014
%Y A135112 Cf. A095688, A108052, A108050, A108312, A107083, A108049, A108054.
%K A135112 more,nonn
%O A135112 1,2
%A A135112 Julien Peter Benney (jpbenney(AT)gmail.com), Feb 12 2008
%E A135112 a(1)=1 added by _Vladimir Joseph Stephan Orlovsky_, May 02 2008
%E A135112 a(4) corrected by _Vladimir Joseph Stephan Orlovsky_, May 02 2008
%E A135112 a(10)-a(15) by _Robert Price_, Dec 12 2010
%E A135112 Edited by _Ray Chandler_, Dec 23 2010
%E A135112 a(16)=58250 from _Robert Price_, Jan 29 2011