Search: id:A128996
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%I A128996
%S A128996 3,11,19,79,683,733,971,1433,1453,2531,3181,3931,4027,4111,4153,4943,
%T A128996 6397,6491,6653,6673,6883,8521,8641,8969,10463,10477,10667,11383,11411,
%U A128996 11587,12527,13229,15749,16631,17971,21757,21929,24767,27031,28859
%N A128996 Intersection of A061068 and A064270.
%C A128996 Primes which are equal to (some prime plus its subscript) and also to 
               (some other prime minus its subscript). Primes of the form p(m)+m 
               and p(n)-n, p(k) = k-th prime.
%F A128996 p=p(m)+m=p(n)-n for some m and some n>m.
%e A128996 3=p(1)+1=2+1 and 3=p(4)-4=7-4 (that is m=1, n=4),
%e A128996 11=p(4)+4=7+4 and 11=p(8)-8=19-8 (m=4, n=8),
%e A128996 19=p(6)+6=13+6 and 19=p(10)-10=29-10 (m=6, n=10),
%e A128996 79=p(18)+18=61+18 and 79=p(28)-28=107-28 (m=18, n=28),
%e A128996 683=p(106)+106=577+106 and 683=p(144)-144=827-144 (m=106, n=144).
%Y A128996 Cf. A061068, A064270.
%Y A128996 Sequence in context: A116945 A048270 A088733 this_sequence A075226 A028978 
               A082628
%Y A128996 Adjacent sequences: A128993 A128994 A128995 this_sequence A128997 A128998 
               A128999
%K A128996 nonn
%O A128996 1,1
%A A128996 Zak Seidov (zakseidov(AT)yahoo.com), Apr 30 2007

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