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.

A108341 Numbers n such that 997*n - 1009 is prime.

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%I A108341 #13 Aug 19 2019 02:57:18
%S A108341 6,8,18,30,36,38,44,66,78,90,98,104,116,134,140,144,156,164,168,170,
%T A108341 200,228,230,246,248,260,276,296,318,344,354,374,378,380,386,408,420,
%U A108341 426,450,464,468,480,500,510,546,576,578,584,606,608,618,620,630,654,678
%N A108341 Numbers n such that 997*n - 1009 is prime.
%C A108341 997 and 1009 are primes.
%C A108341 All terms are even. - _Harvey P. Dale_, Mar 09 2019
%H A108341 Harvey P. Dale, <a href="/A108341/b108341.txt">Table of n, a(n) for n = 1..1000</a>
%e A108341 If n=6, then 997*n - 1009 = 4973 (prime).
%e A108341 If n=90, then 997*n - 1009 = 88721 (prime).
%p A108341 a:=proc(n) if isprime(997*n-1009)=true then n else fi end: seq(a(n),n=1..750); # _Emeric Deutsch_, Jul 04 2005
%t A108341 Select[Range[2,700,2],PrimeQ[997#-1009]&] (* _Harvey P. Dale_, Mar 09 2019 *)
%o A108341 (PARI) is(n)=isprime(997*n-1009) \\ _Charles R Greathouse IV_, Jun 13 2017
%Y A108341 Cf. A101086.
%K A108341 nonn,easy
%O A108341 1,1
%A A108341 _Parthasarathy Nambi_, Jun 30 2005
%E A108341 More terms from _Emeric Deutsch_, Jul 04 2005