A160803 - OEIS

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A160803

First differences of A160802.

1, 2, 4, 4, 4, 6, 4, 3, 2, 3, 4, 1, 2, 3, 2, 2, 4, 6, 5, 3, 5, 5, 2, 2, 2, 2, 3, 4, 3, 2, 3, 4, 4, 5, 8, 8, 4, 1, 2, 3, 3, 4, 7, 8, 5, 4, 7, 9, 10, 15, 22, 12, 7, 2, 2, 3, 4, 5, 6, 7, 6, 5, 7, 10, 13, 16, 18, 9, 8, 3, 3, 6, 9, 8, 7 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,2`
	COMMENTS	`Number of toothpicks added to the spiral at the n-th stage.`
	LINKS	`David Applegate, Omar E. Pol and N. J. A. Sloane, The Toothpick Sequence and Other Sequences from Cellular Automata` `N. J. A. Sloane, Catalog of Toothpick and Cellular Automata Sequences in the OEIS` `Nathaniel Johnston, Table of n, a(n) for n = 1..254`
	CROSSREFS	`Cf. A000045, A139250, A139251, A160426, A160427, A160800, A160801, A160802.` `Sequence in context: A178976 A130766 A035633 * A084291 A060271 A073806` `Adjacent sequences: A160800 A160801 A160802 * A160804 A160805 A160806`
	KEYWORD	`nonn`
	AUTHOR	`Omar E. Pol (info(AT)polprimos.com), May 26 2009`
	EXTENSIONS	`Terms after a(12) from Nathaniel Johnston (nathaniel(AT)nathanieljohnston.com), Mar 30 2011`

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Last modified February 15 14:57 EST 2012. Contains 205823 sequences.