A056484 - OEIS

This site is supported by donations to The OEIS Foundation.

A056484

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

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; refs; listen; history; internal format)

	OFFSET	`1,11`
	COMMENTS	`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 * A056474 A134912 A165836` `Adjacent sequences: A056481 A056482 A056483 * A056485 A056486 A056487`
	KEYWORD	`nonn`
	AUTHOR	`Marks R. Nester (nesterm(AT)dpi.qld.gov.au)`

Content is available under The OEIS End-User License Agreement .

Last modified February 17 02:48 EST 2012. Contains 205978 sequences.