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Xor-Moebius transform of A324713.
2

%I #6 Mar 15 2019 21:55:41

%S 0,3,7,1,15,8,31,4,7,19,63,23,127,44,14,0,255,31,511,44,27,78,1023,40,

%T 11,170,4,71,2047,20,4095,24,74,334,18,28,8191,764,108,64,16383,72,

%U 32767,177,9,1246,65535,88,19,57,256,341,131071,52,35,180,492,2792,262143,74,524287,5454,116,8,134,221,1048575,645,1274,70,2097151,20

%N Xor-Moebius transform of A324713.

%H Antti Karttunen, <a href="/A324715/b324715.txt">Table of n, a(n) for n = 1..10000</a> (based on Hans Havermann's factorization of A156552)

%F a(n) = A324712(n) XOR 2*A297106(n).

%o (PARI) A324715(n) = { my(v=0); fordiv(n, d, if(issquarefree(n/d), v=bitxor(v, A324713(d)))); (v); };

%Y Cf. A003987, A297106, A324712, A324713, A324714, A324717.

%K nonn

%O 1,2

%A _Antti Karttunen_, Mar 15 2019