id:A056400 - OEIS Search Results

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Number of step shifted (decimated) sequence structures using exactly six different symbols.

+0
1

0, 0, 0, 0, 0, 1, 4, 83, 454, 5761, 17998, 334797, 777107, 10574995, 52611728, 342199022, 1094122103, 18448004619, 38504610244, 538330833767, 2215487105217, 16330536710131, 45407723468330 (list; graph; listen)

	OFFSET	`1,7`
	COMMENT	`See A056371 for an explanation of step shifts. 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	`A056395(n)-A056394(n).`
	CROSSREFS	`Cf. A056380.` `Adjacent sequences: A056397 A056398 A056399 this_sequence A056401 A056402 A056403` `Sequence in context: A133396 A007154 A056410 this_sequence A119514 A102982 A069441`
	KEYWORD	`nonn`
	AUTHOR	`Marks R. Nester (nesterm(AT)dpi.qld.gov.au)`

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Last modified October 12 15:26 EDT 2008. Contains 144830 sequences.

AT&T Labs Research