id:A056370 - OEIS Search Results

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Number of primitive (period n) bracelet structures using exactly six different colored beads.

+0
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0, 0, 0, 0, 0, 1, 3, 27, 171, 1249, 8389, 56078, 360430, 2272598, 14037552, 85516427, 514976658, 3074986236, 18239677629, 107654218055, 632996894925, 3711499485032, 21716765203045, 126880009551584 (list; graph; listen)

	OFFSET	`1,7`
	COMMENT	`Turning over will not create a new bracelet. Permuting the colors of the beads will not change the structure.`
	REFERENCES	`M. R. Nester (1999). Mathematical investigations of some plant interaction designs. PhD Thesis. University of Queensland, Brisbane, Australia.`
	FORMULA	`A056365(n)-A056364(n).`
	CROSSREFS	`Cf. A056307.` `Sequence in context: A056263 A026093 A129530 this_sequence A056361 A141442 A053932` `Adjacent sequences: A056367 A056368 A056369 this_sequence A056371 A056372 A056373`
	KEYWORD	`nonn`
	AUTHOR	`Marks R. Nester (nesterm(AT)dpi.qld.gov.au)`

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Last modified November 21 14:49 EST 2008. Contains 150807 sequences.

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