OFFSET
1,2
COMMENTS
This sequence can be represented as a binary tree. When the parent contains n, the left hand child contains 2n, while the value of right hand child is obtained by applying A269369(1+n):
1
|
................../ \..................
2 3
4......../ \........7 6......../ \........5
/ \ / \ / \ / \
/ \ / \ / \ / \
/ \ / \ / \ / \
8 19 14 17 12 9 10 11
16 13 38 53 28 21 34 47 24 15 18 23 20 39 22 29
etc.
LINKS
FORMULA
a(1) = 1, a(2n) = 2*a(n), a(2n+1) = A269369(1+a(n)).
PROG
CROSSREFS
KEYWORD
nonn,tabf
AUTHOR
Antti Karttunen, Mar 13 2016
STATUS
approved