id:A050459 - OEIS Search Results

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Sum_{d|n, d=1 mod 4} d^3 - Sum_{d|n, d=3 mod 4} d^3.

+0
1

1, 1, -26, 1, 126, -26, -342, 1, 703, 126, -1330, -26, 2198, -342, -3276, 1, 4914, 703, -6858, 126, 8892, -1330, -12166, -26, 15751, 2198, -18980, -342, 24390, -3276, -29790, 1, 34580, 4914, -43092, 703, 50654, -6858, -57148, 126, 68922, 8892, -79506, -1330 (list; graph; listen)

	OFFSET	`0,3`
	COMMENT	`Multiplicative because it is the Inverse Moebius transform of [1 0 -3^3 0 5^3 0 -7^3 ...], which is multiplicative. Christian G. Bower (bowerc(AT)usa.net) May 18, 2005.`
	CROSSREFS	`Sequence in context: A040700 A070614 A040701 this_sequence A040669 A040668 A040667` `Adjacent sequences: A050456 A050457 A050458 this_sequence A050460 A050461 A050462`
	KEYWORD	`sign,mult`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com), Dec 23 1999`

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.

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