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.
Table of n, a(n) for n=1..19.
Subsequence of A002808.
First column of A261987.
Cf. A264482, A264483.
Sequence in context: A107840 A046736 A174171 * A227644 A074188 A126733
Adjacent sequences: A262039 A262040 A262041 * A262043 A262044 A262045
Max Barrentine, Oct 02 2015