%I #49 Nov 25 2015 02:35:59
%S 4,8,25,91,115,527,527,1331,1331,4301,15689,14111,19337,31427,175151,
%T 175151,175151,175151,175151
%N First column of A261987.
%C The initial terms of the set of n coprime composite numbers that minimizes the difference between the first and last terms, and then minimizes the average of the terms.
%Y Subsequence of A002808.
%Y First column of A261987.
%Y Cf. A264482, A264483.
%K nonn,more
%O 1,1
%A _Max Barrentine_, Oct 02 2015