[seqfan] Re: Noninterfering picket fence seeds

[franktaw at netscape.net]

Another question occurs to me.

Are there infinite sets with this property? I think there must be, but 
it is curiously hard to construct one. If there is,what is the 
lexicographically first such set?

Franklin T. Adams-Watters

-----Original Message-----
From: Ron Hardin <rhhardin at att.net>

...

%N A000001 Smallest range 1..a(n) that permits n integers x() in 
1..a(n) to
exist with (x(i)-x(j)) mod (x(k)-x(j)) nonzero whenever i,j,k are 
disjoint.
%C A000001 Maximal non-interfering picket-fence seeds: a picket fence 
extended
from any pair in the set encounters no other member of the set

...