OFFSET
1,2
COMMENTS
This sequence can be represented as a binary tree. Each left hand child is produced as A080148(n), and each right hand child as A080147(n), when the parent node contains n:
|
...................1...................
2 3
4......../ \........6 5......../ \........7
/ \ / \ / \ / \
/ \ / \ / \ / \
/ \ / \ / \ / \
8 10 11 13 9 12 14 16
15 18 19 24 20 25 23 29 17 21 22 26 27 30 31 35
etc.
LINKS
PROG
CROSSREFS
KEYWORD
nonn,tabf
AUTHOR
Antti Karttunen, Feb 01 2016
STATUS
approved