id:A065694 - OEIS Search Results

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Braided power sequence: A065692 is b(n+1)=3b(n)+2d(n)-c(n), A065693 is c(n+1)=3c(n)+2b(n)-d(n) and this is d(n+1)=3d(n)+2c(n)-b(n), starting with b(0)=0, c(0)=1 and d(0)=2.

+0
3

2, 8, 23, 47, 80, 365, 3089, 19916, 96287, 369983, 1188008, 3489557, 11440865, 49588820, 250207799, 1210364111, 5215038272, 20004134333, 70879879793, 248964475292, 941859229775, 3946659132575, 17384730325784, 75199501505381 (list; graph; listen)

	OFFSET	`0,1`
	COMMENT	`Tends to 4^n. "Braided" because the order of b(n), c(n) and d(n) changes between the six possibilities as n increases.`
	EXAMPLE	`a(1)=32+21-1*0=8.`
	CROSSREFS	`Sequence in context: A072929 A053958 A151356 this_sequence A014285 A079460 A018042` `Adjacent sequences: A065691 A065692 A065693 this_sequence A065695 A065696 A065697`
	KEYWORD	`nonn`
	AUTHOR	`Henry Bottomley (se16(AT)btinternet.com), Nov 14 2001`

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Last modified November 30 22:12 EST 2008. Contains 150989 sequences.

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