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Search: id:A160803
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| 1, 2, 4, 4, 4, 6, 4, 3, 2, 3, 4, 1
(list; graph; listen)
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OFFSET
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1,2
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COMMENT
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Number of toothpicks added to the spiral at the nth stage.
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CROSSREFS
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Cf. A000045, A139250, A139251, A160426, A160427, A160800, A160801, A160802.
Sequence in context: A132345 A130766 A035633 this_sequence A084291 A060271 A073806
Adjacent sequences: A160800 A160801 A160802 this_sequence A160804 A160805 A160806
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KEYWORD
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hard,more,nonn
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AUTHOR
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Omar E. Pol (info(AT)polprimos.com), May 26 2009
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