OFFSET
0,2
COMMENTS
These numbers are generally smaller than those in A133046 because one line of play can transpose into another.
CROSSREFS
KEYWORD
nonn,nice
AUTHOR
Jonathan Schaeffer (jonathan(AT)cs.ualberta.ca), Dec 27 2007
EXTENSIONS
a(16)-a(22) computed by Paul Byrne, Sep 2012
STATUS
approved