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A101770 Numbers n such that n, 2n+1, 3n+2, 4n+3, 5n+4, 6n+5, 7n+6, 8n+7, 9n+8 are primes. 8

%I #18 Jul 05 2016 19:13:56

%S 407874179,1674689729,6380217479,15002412599,24291715139,28081637219,

%T 34274541839,37048322849,45785202539,53434060679,100061694809,

%U 101245430999,103024911989,127890675989,130173995279,141481942139,149397940019,177352532069,212815427999,214580145779,294249502259,296754699779

%N Numbers n such that n, 2n+1, 3n+2, 4n+3, 5n+4, 6n+5, 7n+6, 8n+7, 9n+8 are primes.

%C All terms == 2099 or 2309 (mod 2310). - _Robert Israel_, Jul 05 2016

%H Robert Israel, <a href="/A101770/b101770.txt">Table of n, a(n) for n = 1..100</a>

%p select(n -> andmap(isprime,

%p [n,2*n+1,3*n+2,4*n+3,5*n+4,6*n+5,7*n+6,8*n+7,9*n+8]),

%p [seq(seq(2310*i+j, j=[2099,2309]),i=0..10^7)]); # _Robert Israel_, Jul 05 2016

%Y Cf. A000040, A005384, A067256, A067257, A067258, A101767, A101768, A101769.

%K nonn

%O 1,1

%A _Jonathan Vos Post_ and _Ray Chandler_, Dec 31 2004

%E More terms from _Jens Kruse Andersen_, May 08 2008

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Last modified July 27 15:07 EDT 2024. Contains 374647 sequences. (Running on oeis4.)