id:A060823 - OEIS Search Results

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4-wave sequence beginning with 2's with middles dropped.

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2, 2, 8, 20, 60, 170, 492, 1414, 4074, 11728, 33772, 97240, 279994, 806208, 2321386, 6684162, 19246280, 55417452, 159568196, 459458306, 1322957468, 3809304206, 10968454314, 31582405472, 90937912212, 261845282320, 753953441490 (list; graph; listen)

	OFFSET	`2,1`
	LINKS	`F. v. Lamoen, Wave sequences`
	FORMULA	`a(n)=2a(n-1)+3a(n-2)-a(n-3)-a(n-4) - Antonio G. Astudillo (afg_astudillo(AT)lycos.com), Mar 22 2003`
	CROSSREFS	`Cf. A038197.` `Sequence in context: A067640 A098277 A080040 this_sequence A130102 A113464 A054093` `Adjacent sequences: A060820 A060821 A060822 this_sequence A060824 A060825 A060826`
	KEYWORD	`easy,nonn`
	AUTHOR	`Jason Earls (jcearls(AT)cableone.net), May 01 2001`
	EXTENSIONS	`More terms from Antonio G. Astudillo (afg_astudillo(AT)lycos.com), Mar 22 2003`

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Last modified July 4 18:25 EDT 2008. Contains 140886 sequences.

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