id:A056386 - OEIS Search Results

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Number of primitive (aperiodic) step shifted (decimated) sequences using exactly two different symbols.

+0
2

0, 2, 4, 8, 10, 32, 26, 84, 98, 266, 214, 1200, 702, 2770, 4328, 8832, 8230, 44086, 29202, 135744, 176720, 419654, 381490, 2149068, 1678244, 5593294, 7461064, 22550600, 19175158, 134386396, 71585134 (list; graph; listen)

	OFFSET	`1,2`
	COMMENT	`See A056371 for an explanation of step shifts.`
	REFERENCES	`M. R. Nester (1999). Mathematical investigations of some plant interaction designs. PhD Thesis. University of Queensland, Brisbane, Australia.`
	FORMULA	`Sum mu(d)*A056376(n/d) where d divides n.`
	CROSSREFS	`Sequence in context: A124849 A056654 A020950 this_sequence A014425 A028889 A028846` `Adjacent sequences: A056383 A056384 A056385 this_sequence A056387 A056388 A056389`
	KEYWORD	`nonn`
	AUTHOR	`Marks R. Nester (nesterm(AT)dpi.qld.gov.au)`

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

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