Shortest Addition Chains

[franktaw at netscape.net]

Yes.

Franklin T. Adams-Watters


-----Original Message-----
From: maxale at gmail.com

...
 btw, I found the following quote from
 http://www.uni-bielefeld.de/~achim/ac.ps.gz

 "It is conjectured in [10] that for all n >= 4 there exists a minimal
 addition chain for n not containing the element 3.
 This conjecture is false and the smallest
 counterexamples are 14759, 15449, 26089."

 but 14759, 15449, 26089 is missing in OEIS.
 Does it make sense to to include the sequence 3,14759,15449,26089 with
 a description like "Numbers whose shortest addition chains unavoidably
 contain 3" ?
...
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