id:A048497 - OEIS Search Results

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2^(n-1)*(4n-6)+4.

+0
1

1, 2, 8, 28, 84, 228, 580, 1412, 3332, 7684, 17412, 38916, 86020, 188420, 409604, 884740, 1900548, 4063236, 8650756, 18350084, 38797316, 81788932, 171966468, 360710148, 754974724, 1577058308, 3288334340, 6845104132 (list; graph; listen)

	OFFSET	`0,2`
	CROSSREFS	`a(n)=T(3,n), array T given by A048494.` `Sequence in context: A054109 A082107 A135263 this_sequence A118047 A087431 A090426` `Adjacent sequences: A048494 A048495 A048496 this_sequence A048498 A048499 A048500`
	KEYWORD	`nonn`
	AUTHOR	`Clark Kimberling (ck6(AT)evansville.edu)`
	EXTENSIONS	`Formula from Ralf Stephan (ralf(AT)ark.in-berlin.de), Jan 15 2004`

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.

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