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A239457 Numbers n such that n + prime(n), n + 1 + prime(n+1) and n + 2 + prime(n+2) are divisible by 7. 1

%I #14 Mar 21 2014 17:31:58

%S 184,702,709,710,813,1173,1429,1544,1842,1843,2080,2220,2297,2600,

%T 2601,2643,2657,2745,3280,3333,3635,3690,3691,3692,3887,3943,4229,

%U 4320,5539,5540,5659,5776,5777,5778,5867,5937,6252,6253,6324,6386,6387,6407,6532

%N Numbers n such that n + prime(n), n + 1 + prime(n+1) and n + 2 + prime(n+2) are divisible by 7.

%C Or, numbers n such that both n and n+1 are terms in A107425.

%H Zak Seidov, <a href="/A239457/b239457.txt">Table of n, a(n) for n = 1..2691</a> (all terms up to 500000)

%Y Subsequence of A107425.

%K nonn

%O 1,1

%A _Zak Seidov_, Mar 19 2014

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Last modified April 25 16:45 EDT 2024. Contains 371989 sequences. (Running on oeis4.)