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A364567
a(n) = A297112(A005940(1+n)), where A297112 is the Möbius transform of A156552 [the inverse of map n -> A005940(1+n)].
5
0, 1, 2, 2, 4, 2, 4, 4, 8, 4, 4, 4, 8, 4, 8, 8, 16, 8, 8, 8, 8, 4, 8, 8, 16, 8, 8, 8, 16, 8, 16, 16, 32, 16, 16, 16, 16, 8, 16, 16, 16, 8, 8, 8, 16, 8, 16, 16, 32, 16, 16, 16, 16, 8, 16, 16, 32, 16, 16, 16, 32, 16, 32, 32, 64, 32, 32, 32, 32, 16, 32, 32, 32, 16, 16, 16, 32, 16, 32, 32, 32, 16, 16, 16, 16, 8, 16, 16
OFFSET
0,3
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