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A324715 Xor-Moebius transform of A324713. 2
0, 3, 7, 1, 15, 8, 31, 4, 7, 19, 63, 23, 127, 44, 14, 0, 255, 31, 511, 44, 27, 78, 1023, 40, 11, 170, 4, 71, 2047, 20, 4095, 24, 74, 334, 18, 28, 8191, 764, 108, 64, 16383, 72, 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 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Antti Karttunen, Table of n, a(n) for n = 1..10000 (based on Hans Havermann's factorization of A156552)

FORMULA

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

PROG

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

CROSSREFS

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

Sequence in context: A196231 A210037 A210197 * A316665 A110238 A077505

Adjacent sequences:  A324712 A324713 A324714 * A324716 A324717 A324718

KEYWORD

nonn

AUTHOR

Antti Karttunen, Mar 15 2019

STATUS

approved

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Last modified August 24 23:01 EDT 2019. Contains 326314 sequences. (Running on oeis4.)