1,6

Initial term of the set of n coprime numbers that minimizes the difference between first and last terms, and then minimizes the average of the terms.

Does every prime greater than 3 occur in this sequence?

Table of n, a(n) for n=1..46.

Cf. A264482.

Sequence in context: A141345 A318664 A329031 * A050340 A021955 A055191

Adjacent sequences: A264480 A264481 A264482 * A264484 A264485 A264486

nonn,more

Max Barrentine, Nov 14 2015

a(32)-a(38) from Max Barrentine, Apr 26 2016

a(39)-a(46) from Max Barrentine, Jun 23 2016

approved