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 A294899 a(n) = A000203(n) XOR A005187(n), where XOR is bitwise-XOR, A003987. 8
 0, 0, 0, 0, 14, 6, 3, 0, 29, 0, 31, 10, 25, 1, 2, 0, 50, 5, 55, 12, 7, 13, 50, 18, 48, 27, 26, 13, 40, 112, 25, 0, 112, 116, 115, 29, 97, 117, 114, 20, 101, 49, 126, 1, 24, 16, 105, 34, 102, 60, 42, 7, 80, 16, 33, 21, 62, 42, 77, 220, 75, 23, 16, 0, 212, 18, 199, 248, 231, 25, 194, 77, 197, 227, 238, 25, 246, 48, 201, 36 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,5 LINKS Antti Karttunen, Table of n, a(n) for n = 1..16384 FORMULA a(n) = A000203(n) XOR A005187(n). MATHEMATICA Array[BitXor[DivisorSigma[1, #], IntegerExponent[(2 #)!, 2]] &, 80] (* Michael De Vlieger, Nov 26 2017 *) PROG (Scheme) (define (A294899 n) (A003987bi (A000203 n) (A005187 n))) ;; Where A003987bi implements the bitwise-XOR, A003987. CROSSREFS Cf. A000203, A003987, A005187, A294898, A295296 (positions of zeros), A295297 (parity of a(n)). Cf. also A169813, A279357, A283997. Sequence in context: A068609 A166208 A239863 * A118780 A220672 A051655 Adjacent sequences:  A294896 A294897 A294898 * A294900 A294901 A294902 KEYWORD nonn AUTHOR Antti Karttunen, Nov 25 2017 STATUS approved

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Last modified September 15 14:04 EDT 2019. Contains 327078 sequences. (Running on oeis4.)