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.

A071636 Numbers n=4*k+2 such that there is no pair of primes p and q of form 4*i+1 with p+q=n; A071635(n)=0.

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%I A071636 #6 Mar 30 2012 18:50:24
%S A071636 2,6,14,38,62
%N A071636 Numbers n=4*k+2 such that there is no pair of primes p and q of form 4*i+1 with p+q=n; A071635(n)=0.
%C A071636 Conjecture: there are no more terms.
%H A071636 <a href="/index/Go#Goldbach">Index entries for sequences related to Goldbach conjecture</a>.
%e A071636 62=4*15+2 is a term, as p = 3 modulo 4 for all primes p in decompositions of 62 into sum of two primes: 3+59=11+51=19+43=31+31;
%e A071636 66=4*16+2 is not a term, as e.g. 66=5+61=(4*1+1)+(4*15+1): A071635(16)>0.
%Y A071636 Cf. A002144, A002145.
%K A071636 nonn
%O A071636 1,1
%A A071636 _Reinhard Zumkeller_, May 27 2002