A056389 - OEIS

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A056389

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

0, 0, 0, 0, 30, 900, 2800, 32010, 139080, 1276170, 2960940, 41625330, 75086430, 801519500, 3162262140, 16463761470, 42395689530, 579164323020, 983928850100, 11241276012750, 37913042832500 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,5`
	COMMENTS	`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)*A056379(n/d) where d\|n.`
	CROSSREFS	`Sequence in context: A158580 A171335 A097313 * A056379 A171304 A009974` `Adjacent sequences: A056386 A056387 A056388 * A056390 A056391 A056392`
	KEYWORD	`nonn`
	AUTHOR	`Marks R. Nester (nesterm(AT)dpi.qld.gov.au)`

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Last modified February 17 04:58 EST 2012. Contains 205985 sequences.