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%I #11 Feb 16 2019 07:21:06
%S 19421,27941,55661,72491,237761,333491,514037,546587,553997,601037,
%T 619517,635807,685667,712421,843497,849701,871457,916031,994907,
%U 1024691,1049297,1084607,1084997,1103777,1165181,1196927,1211291,1240697,1262201,1292231,1342037,1376591,1384907,1438751,1454897,1462577,1488647
%N Numbers k such that n^2 + n + k has no prime factor p <= 41 for any integer n.
%C Observation: The terms tend to be primes but are not by any means all primes.
%C If k is a term, then k + A002110(13) = k + 304250263527210 is also a term.
%C It appears this sequence includes about 1/2918.52 of the positive integers.
%K nonn
%O 1,1
%A _Jason Atwood_, Jan 17 2019