id:A140508 - OEIS Search Results

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Mobius transform applied twice to A001414.

+0
1

0, 2, 3, 0, 5, -5, 7, 0, 0, -7, 11, 0, 13, -9, -8, 0, 17, 0, 19, 0, -10, -13, 23, 0, 0, -15, 0, 0, 29, 10, 31, 0, -14, -19, -12, 0, 37, -21, -16, 0, 41, 12, 43, 0, 0, -25, 47, 0, 0, 0, -20, 0, 53, 0, -16, 0, -22, -31, 59, 0, 61, -33, 0, 0, -18, 16, 67, 0, -26, 14, 71, 0, 73 (list; graph; listen)

	OFFSET	`1,2`
	COMMENT	`Mobius transform applied once to A120007. Except for first term and zero divided by zero, this sequence gives A008683 as:` `mu(n) = -a(n)/abs(a(n)) through the conjecture in A140254.`
	CROSSREFS	`Cf. A120007, A001414, A008683, A140254.` `Sequence in context: A051444 A057637 A167485 this_sequence A063956 A128214 A145105` `Adjacent sequences: A140505 A140506 A140507 this_sequence A140509 A140510 A140511`
	KEYWORD	`sign`
	AUTHOR	`Mats Granvik (mgranvik(AT)abo.fi), Jun 30 2008`

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Last modified November 23 17:09 EST 2009. Contains 167438 sequences.

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