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A056390
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Number of primitive (aperiodic) step shifted (decimated) sequences using exactly six different symbols.
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1
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0, 0, 0, 0, 0, 360, 2520, 48060, 317520, 4109040, 12923136, 238784940, 559279980, 7612394400, 37864711260, 246262998780, 787758864480, 13282478024760, 27723264985920, 387585094204260, 1595144664454200
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OFFSET
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1,6
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COMMENTS
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See A056371 for an explanation of step shifts.
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REFERENCES
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M. R. Nester (1999). Mathematical investigations of some plant interaction designs. PhD Thesis. University of Queensland, Brisbane, Australia. [See A056391 for pdf file of Chap. 2]
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LINKS
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FORMULA
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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