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A024704 Positions of even numbers in A024702. 3

%I #8 May 30 2013 23:28:45

%S 4,7,9,11,13,15,20,21,22,24,25,27,30,31,33,36,39,43,44,46,48,51,52,53,

%T 55,56,58,60,64,65,68,71,72,73,76,79,80,83,84,85,87,88,90,92,93,96,98,

%U 104,106,108,109,110,111,113,115,116,118,122,128,129,132,133,135,136,140,143,146

%N Positions of even numbers in A024702.

%C Indices of primes which are 1 or 7 mod 8. - _Charles R Greathouse IV_, May 30 2013

%H Charles R Greathouse IV, <a href="/A024704/b024704.txt">Table of n, a(n) for n = 1..10000</a>

%o (PARI) apply(n->primepi(n),select(n->n%8==1||n%8==7,primes(100))) \\ _Charles R Greathouse IV_, May 30 2013

%K nonn,easy

%O 1,1

%A _Clark Kimberling_

%E Adjusted for offset. - _Charles R Greathouse IV_, May 30 2013

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Last modified May 12 18:22 EDT 2024. Contains 372494 sequences. (Running on oeis4.)