id:A105568 - OEIS Search Results

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Row sums of A105567, as a number triangle.

+0
2

1, 2, 1, 4, 4, 0, 4, -2, 2, 0, 0, 2, 2, 4, 2, -2, -4, 10, 0, 4, 0, 2, -2, 6, -2, 6, 2, 6, 0, 8, -2, 4, 4, 6, -2, 6, -8, 8, 10, 4, -2, 6, -4, 4, 4, 10, 4, -2, -4, 2, 0, 12, 2, 6, -4, 2, 2, 12, 6, 0, -8, -8, 14, 10, 2, 10, -10, 8, 10, 8, -2, 0, -2, -8, 8, 12, 2, 6, -10, 2, 10, 10, 10, -12, -8, 6, 0, 8, 8, 2, -12, -2, 2, 16, 10, 0, -2, 0, 16, 12, 6 (list; graph; listen)

	OFFSET	`0,2`
	FORMULA	`a(n)=sum{k=0..n, -mu(k(n-k))}`
	CROSSREFS	`Sequence in context: A091879 A036069 A009477 this_sequence A004175 A136756 A137593` `Adjacent sequences: A105565 A105566 A105567 this_sequence A105569 A105570 A105571`
	KEYWORD	`easy,sign`
	AUTHOR	`Paul Barry (pbarry(AT)wit.ie), Apr 14 2005`

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Last modified December 2 11:54 EST 2009. Contains 167921 sequences.

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