OFFSET
1,2
COMMENTS
This sequence can be represented as a binary tree. Each left hand child is produced as A233271(1+n), and each right hand child as A269390(n), when the parent contains n:
|
...................1...................
2 3
4......../ \........5 7......../ \........6
/ \ / \ / \ / \
/ \ / \ / \ / \
/ \ / \ / \ / \
8 9 12 10 16 13 15 11
21 14 24 17 32 20 28 18 49 26 38 22 46 25 31 19
etc.
LINKS
FORMULA
PROG
CROSSREFS
KEYWORD
nonn,base,tabf
AUTHOR
Antti Karttunen, Mar 05 2016
STATUS
approved