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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

%I #7 Apr 09 2014 10:15:04

%S 4,6,6,6,6,6,10,6,6,10,8,15,6,15,8,14,9,10,10,9,14,10,21,8,10,8,21,10,

%T 12,12,14,10,10,14,12,12,12,12,10,35,8,35,10,12,12,22,12,12,10,14,14,

%U 10,12,12,22,14,33,12,15,10,14,10,15,12,33,14,26,15,22,15,12,14,14,12,15

%N 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.

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

%Y Cf. A141327, A141329.

%K nonn,tabl

%O 2,1

%A _Leroy Quet_, Jun 25 2008

%E Extended by _Ray Chandler_, Jun 24 2009