cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A088184 Numbers that can be written as sum of two coprime semiprimes.

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%I A088184 #3 Mar 30 2012 18:50:38
%S A088184 13,19,23,25,29,31,34,35,37,39,41,43,44,46,47,49,51,53,55,57,58,59,61,
%T A088184 63,64,65,67,68,69,71,73,74,75,76,77,79,81,82,83,85,86,87,88,89,91,92,
%U A088184 93,94,95,97,98,99,100,101,102,103,104,106,107,109,111,112,113,114
%N A088184 Numbers that can be written as sum of two coprime semiprimes.
%C A088184 A088183(a(n))>0; complement of A088185.
%e A088184 25 = 2*2+3*7, therefore 25 is a term;
%e A088184 2*2+2*11 is the only partition of n=26 into two semiprimes,
%e A088184 gcd(2*2,2*11)=2>1, therefore 26 is not a term.
%Y A088184 Cf. A001358.
%K A088184 nonn
%O A088184 1,1
%A A088184 _Reinhard Zumkeller_, Sep 22 2003