id:A072629 - OEIS Search Results

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Parity of n*Floor[log[n]].

+0
2

0, 0, 1, 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 (list; graph; listen)

	OFFSET	`1,1`
	FORMULA	`a(n)= Mod[n*Floor[log[n]], 2]`
	EXAMPLE	`Parity either alternates or it is steadily 0. Intervals of such kind also change and return: 01010...0000....0101..etc.`
	CROSSREFS	`See also A004648, A072608, A072609, A072610, A072630.` `Sequence in context: A144598 A144606 A060510 this_sequence A164292 A151763 A022925` `Adjacent sequences: A072626 A072627 A072628 this_sequence A072630 A072631 A072632`
	KEYWORD	`nonn`
	AUTHOR	`Labos E. (labos(AT)ana.sote.hu), Jun 28 2002`

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Last modified December 10 12:37 EST 2009. Contains 170569 sequences.

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