Search: id:A105092
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%I A105092
%S A105092 20,62,118,194,262,346,422,502,602,658,790,878,974,1066,1162,1266,1378,
%T A105092 1462,1578,1658,1766,1882,2030,2122,2238,2338,2458,2570,2662,2762,2866,
%U A105092 2986,3106,3290,3406,3514,3614,3698,3830,3918,4022,4150,4310,4430,4538
%N A105092 Sum of the sides of ordered 2 prime sided prime triangles.
%F A105092 An ordered 2 prime sided prime triangle is 3 consecutive primes arranged 
               in a triangle of the form p(3n-2) p(3n-1) p(3n ) n=1, 2, .. and sides 
               s1 = p(3n-2) p(3n-1) s2 = p(3n-1) p(3n ) s3 = p(3n-2) p(3n )
%e A105092 The first 2 prime sided prime triangle is
%e A105092 2
%e A105092 3 5
%e A105092 sum of sides = (2+3) + (3+5) + (2+5) = 20 the first entry.
%o A105092 (PARI) sumsidestri3x3(n) = { local(x,j,s); forstep(x=1,n,3, s = prime(x)+prime(x+1)+prime(x+2); 
               print1(2*s",") ) }
%Y A105092 Sequence in context: A041780 A041782 A041784 this_sequence A112144 A007248 
               A117431
%Y A105092 Adjacent sequences: A105089 A105090 A105091 this_sequence A105093 A105094 
               A105095
%K A105092 easy,nonn
%O A105092 1,1
%A A105092 Cino Hilliard (hillcino368(AT)gmail.com), Apr 07 2005

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