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A056484
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Number of primitive (aperiodic) palindromic structures using exactly five different symbols.
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2
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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
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OFFSET
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1,11
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COMMENTS
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Permuting the symbols will not change the structure.
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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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