OFFSET
1,2
COMMENTS
This sequence can be represented as a binary tree. Each left hand child is produced as A277817(1+n), and each right hand child as A277816(n), when the parent node contains n:
1
................../ \..................
2 5
3......../ \........10 7......../ \........13
/ \ / \ / \ / \
/ \ / \ / \ / \
/ \ / \ / \ / \
4 39 15 26 9 11 18 29
6 20 92 75 24 27 49 58 14 21 16 19 31 42 62 41
etc.
LINKS
PROG
CROSSREFS
KEYWORD
nonn,tabf
AUTHOR
Antti Karttunen, Nov 06 2016
STATUS
approved