id:A081842 - OEIS Search Results

Search: id:A081842

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a(1)=0, a(n)=a(n-1)+4 if n is already in th sequence, a(n)=a(n-1)+3 otherwise.

+0
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0, 3, 7, 10, 13, 16, 20, 23, 26, 30, 33, 36, 40, 43, 46, 50, 53, 56, 59, 63, 66, 69, 73, 76, 79, 83, 86, 89, 92, 96, 99, 102, 106, 109, 112, 116, 119, 122, 125, 129, 132, 135, 139, 142, 145, 149, 152, 155, 158, 162, 165, 168, 172, 175, 178, 182, 185, 188, 192, 195 (list; graph; listen)

	OFFSET	`1,2`
	FORMULA	`a(n)=floor(rn-(4r-1)/(r+1)) where r= (1/2) *(3+sqrt(13))`
	CROSSREFS	`Adjacent sequences: A081839 A081840 A081841 this_sequence A081843 A081844 A081845` `Sequence in context: A020679 A103541 A029918 this_sequence A027704 A047355 A098005`
	KEYWORD	`nonn`
	AUTHOR	`Benoit Cloitre (benoit7848c(AT)orange.fr), Apr 11 2003`

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Last modified October 15 20:12 EDT 2008. Contains 145099 sequences.

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