OFFSET
0,2
COMMENTS
These are the edge labels in the tree. The initial a(0) = 0 is by convention.
LINKS
Don Knuth, Ambidextrous Numbers, Preprint, September 2022. See (7.2).
CROSSREFS
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Sep 18 2022
STATUS
approved