A260652 The minimal difference between the first and last terms of a set of n coprime numbers.

0, 1, 2, 4, 6, 8, 12, 14, 18, 20, 24, 30, 32, 36, 38, 42, 48, 50, 56, 60, 62, 68, 72, 78, 84, 86, 90, 94, 98, 102, 108, 114, 120, 126, 130, 136, 140, 146, 150, 156, 158, 162, 168, 174, 180, 182

Offset: 1

Author

Max Barrentine, Nov 25 2015

Keywords

• nonn
• more

Comments

a(n>3) <= prime(n-2) + 1.

Links

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

Crossrefs

Cf. A261987, A264482.

Extensions

a(33)-a(39) from Max Barrentine, Apr 26 2016

a(40)-a(46) from Max Barrentine, Jun 23 2016