OFFSET
1,3
COMMENTS
For any node n >= 2 in binary trees like A332815, a(n) gives the parent node of n.
LINKS
Antti Karttunen, Table of n, a(n) for n = 1..65537
FORMULA
a(1) = 1, after which a(n) = n/2 for even n, and a(n) = A332819(n) for odd n.
PROG
CROSSREFS
KEYWORD
nonn
AUTHOR
Antti Karttunen, Mar 01 2020
STATUS
approved