A183212 Second of two trees generated by floor[(3n-1)/2].

2, 6, 8, 18, 11, 24, 26, 54, 16, 33, 35, 72, 38, 78, 80, 162, 23, 48, 49, 99, 52, 105, 107, 216, 56, 114, 116, 234, 119, 240, 242, 486, 34, 69, 71, 144, 73, 147, 148, 297, 77, 156, 157, 315, 160, 321, 323, 648, 83, 168, 170, 342

Offset: 1

Author

Clark Kimberling, Dec 30 2010

Keywords

• nonn
• tabf

Comments

See the comments at A183211, which is the mate for this tree.

Examples

			First four levels of the tree:
.......................2
.......................6
.............8...................18
...........11..24.............26....54
		

Links

• Ivan Neretin, Table of n, a(n) for n = 1..8192

Crossrefs

Cf. A183211.

Programs

Mathematica

a = {2, 6}; row = {a[[-1]]}; Do[a = Join[a, row = Flatten[{Quotient[3 # - 1, 2], 3 #} & /@ row]], {n, 5}]; a (* Ivan Neretin, May 25 2015 *)