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Primes for which the weight as defined in A117078 is 9 and the gap as defined in A001223 is 4.
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%I #5 Mar 31 2012 14:42:50

%S 13,103,463,643,877,967,1093,1597,1867,1993,2137,2857,3037,3163,3253,

%T 3613,3793,4153,4513,4783,5413,5503,5647,6007,6043,6547,6907,7537,

%U 7573,7933,8167,8293,9157,9337,9463,9787

%N Primes for which the weight as defined in A117078 is 9 and the gap as defined in A001223 is 4.

%C The prime numbers in this sequence are of the form (18i-5) with i=(level(n)+1)/2, level(n) defined in A117563.

%H Remi Eismann, <a href="/A119594/b119594.txt">Table of n, a(n) for n=1..10000</a>

%e a(1)=13 because of 17=13+mod(13;9) and 17-13=4.

%e 18*1-5=13, level=1

%e a(2)=103 because of 107=103+mod(103;9) and 107-103=4

%e 18*((11+1)/2)-5=103, level=11

%Y Cf. A117078, A001223, A117563, A001359, A118359, A074822, A118922, A118924, A119504.

%K nonn

%O 1,1

%A _RĂ©mi Eismann_, Jun 01 2006, May 04 2007