A141329 Infinite array read by antidiagonals: a(m,n) = the smallest positive integer that is >= max(m,n) and is non-coprime to both m and n.

2, 6, 6, 4, 3, 4, 10, 6, 6, 10, 6, 15, 4, 15, 6, 14, 6, 10, 10, 6, 14, 8, 21, 6, 5, 6, 21, 8, 12, 12, 14, 10, 10, 14, 12, 12, 10, 9, 8, 35, 6, 35, 8, 9, 10, 22, 12, 12, 10, 14, 14, 10, 12, 12, 22, 12, 33, 10, 15, 8, 7, 8, 15, 10, 33, 12, 26, 12, 22, 10, 9, 14, 14, 9, 10, 22, 12, 26, 14

Offset

2,1

Comments

The first row of this array is row 2. The first column of this array is column 2.

Links

Table of n, a(n) for n=2..80.

Crossrefs

Cf. A141327, A141328.

Sequence in context: A071678 A316164 A319276 * A320953 A110388 A007507

Adjacent sequences: A141326 A141327 A141328 * A141330 A141331 A141332

Keyword

nonn,tabl

Author

Leroy Quet, Jun 25 2008

Extensions

Extended by Ray Chandler, Jun 24 2009

Status

approved