OFFSET
1,4
EXAMPLE
Inequivalent representatives of the a(52) = 11 colorings of the tree (oo(o(o))) are the following.
(11(1(1)))
(11(1(2)))
(11(2(1)))
(11(2(2)))
(11(2(3)))
(12(1(1)))
(12(1(2)))
(12(1(3)))
(12(3(1)))
(12(3(3)))
(12(3(4)))
CROSSREFS
KEYWORD
nonn,more
AUTHOR
Gus Wiseman, Aug 17 2018
STATUS
approved