OFFSET
0,3
LINKS
FORMULA
For n > 0, a(n) = 2^A033265(n).
PROG
(PARI) A364567(n) = if(!n, n, my(i=1); while(n>1, if((n%4)!=1, i<<=1); n >>= 1); (i));
CROSSREFS
KEYWORD
nonn
AUTHOR
Antti Karttunen, Aug 05 2023
STATUS
approved