id:A056484 - OEIS Search Results

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Number of primitive (aperiodic) palindromic structures using exactly five different symbols.

+0
2

0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 15, 15, 140, 140, 1050, 1050, 6951, 6950, 42525, 42524, 246730, 246715, 1379400, 1379385, 7508501, 7508361, 40075034, 40074895, 210766920, 210765869, 1096190550 (list; graph; listen)

	OFFSET	`1,11`
	COMMENT	`Permuting the symbols 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	`A056479(n)-A056478(n).`
	CROSSREFS	`Cf. A056466.` `Sequence in context: A022349 A036379 A070920 this_sequence A056474 A134912 A094836` `Adjacent sequences: A056481 A056482 A056483 this_sequence A056485 A056486 A056487`
	KEYWORD	`nonn`
	AUTHOR	`Marks R. Nester (nesterm(AT)dpi.qld.gov.au)`

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Last modified September 5 01:44 EDT 2008. Contains 143476 sequences.

AT&T Labs Research