OFFSET
1,1
COMMENTS
Equally, fixed points of map n -> A366276(n).
If n is a term, then 2*n is also a term, and vice versa, thus the sequence is wholly determined by its odd terms: 3, 55. Are there any others?
CROSSREFS
KEYWORD
nonn
AUTHOR
Antti Karttunen, Oct 06 2023
STATUS
approved