%I #5 Oct 22 2023 06:45:44
%S 31,31,31,31,1597,1597,1597,1597,37,37,37,37,1487,1487,1487,1487,47,
%T 47,47,47,1381,1381,1381,1381,61,61,61,61,1279,1279,1279,1279,79,79,
%U 79,79,1181,1181,1181,1181,101,101,101,101,1087,1087,1087,1087,127,127,127
%N This is the beginning of a Prime Chain of 224 terms consisting of the output of 2x^2 +29 repeated four times, alternating with these same terms in reverse within a procedural expression of a single polynomial.
%Y Cf. A140708.
%K nonn,uned
%O 1,1
%A Aldrich Stevens (aldrichstevens(AT)msn.com), Jul 11 2008