OFFSET
0,6
COMMENTS
As the underlying sequence A163511 can be represented as a binary tree, so can be this:
0
|
...................0...................
0 1
0......../ \........2 1......../ \........1
/ \ / \ / \ / \
/ \ / \ / \ / \
/ \ / \ / \ / \
0 3 2 2 1 2 1 2
0 4 3 3 2 3 2 4 1 3 2 3 1 3 2 2
etc.
The nodes at the left edge are all zeros, and their right-hand children give positive integers, A000027.
LINKS
FORMULA
PROG
CROSSREFS
KEYWORD
nonn
AUTHOR
Antti Karttunen, Jun 09 2020
STATUS
approved