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.

A335360 Numbers m such that the number of unordered Goldbach partitions of 2m is greater than the number of unordered Goldbach partitions of 4m.

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%I A335360 #16 Jun 08 2020 17:34:51
%S A335360 17,32,38,143,353
%N A335360 Numbers m such that the number of unordered Goldbach partitions of 2m is greater than the number of unordered Goldbach partitions of 4m.
%C A335360 Integers m such that A002375(2*m) > A002375(4*m) .
%C A335360 It is conjectured that a(5)=353 is the last term in this sequence.
%H A335360 <a href="/index/Go#Goldbach">Index entries for sequences related to Goldbach conjecture</a>
%e A335360 For a(1)=17, 2*17=34 has 4 Goldbach partitions and 4*17=68 has 2.
%o A335360 (PARI) for(n=1, 1000, x=0; y=0; forprime(i=2, 2*n, if(i<=n && isprime(2*n-i), x=x+1; ); if(isprime(4*n-i), y=y+1; ); ); if(x>y, print1(n, ", ")))
%Y A335360 Cf. A002375.
%K A335360 nonn,more
%O A335360 1,1
%A A335360 _Craig J. Beisel_, Jun 03 2020