cp's OEIS Frontend

A129537 Prime numbers p of the form p=x^2+y^3 such that there exist three other prime numbers q,r,s such q=abs(x^2-y^3) ; r=x^3+y^2 ; s=abs(x^3-y^2); x > y.

%I A129537 #2 Sep 24 2013 09:24:40
%S A129537 127,449,811,2089,2521,4651,4969,6427,13697,17351,23831,38393,52321,
%T A129537 53569,69119,69767,112571,113021,116089,143257,156941,168409,171757,
%U A129537 196561,197569,228751,250489,250969,294641,328121,337627,350281,355321
%N A129537 Prime numbers p of the form p=x^2+y^3 such that there exist three other prime numbers q,r,s such q=abs(x^2-y^3) ; r=x^3+y^2 ; s=abs(x^3-y^2); x > y.
%F A129537 a(n)=p=x^2+y^3; q=x^2-y3;r=x^3+y^2;s=x^3-y^2 ; x > y ; a(n),q,r,s are prime numbers.
%e A129537 p=a(1)= 127 because:
%e A129537 P=127=10^2+3^3=100+27;
%e A129537 q=73=10^2-3^3=100-27;
%e A129537 r=1009=10^3+3^2=1000+9;
%e A129537 s=991=10^3-3^2=1000-9
%Y A129537 Cf. A000040.
%K A129537 easy,nonn
%O A129537 1,1
%A A129537 _Tomas Xordan_, May 29 2007