Infinitely Many Trees with Maximum Number of Holes Zero, One, and Two

Table 3

Trees connectable to a vertex colored in a two-hole tree with and as holes.

Color of vertex	Connectable trees	Condition
		and all colors less than adjacent to .
		and or or
		and or and
		or
			, and all colors less than adjacent to .
				and all colors less than adjacent to .
				or
			and or
			and or and