id:A050104 - OEIS Search Results

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a(n)=[ a(n-1)/4 ] if this is not among 0,a(1),...,a(n-2), else a(n)=3*a(n-1).

+0
4

1, 3, 9, 2, 6, 18, 4, 12, 36, 108, 27, 81, 20, 5, 15, 45, 11, 33, 8, 24, 72, 216, 54, 13, 39, 117, 29, 7, 21, 63, 189, 47, 141, 35, 105, 26, 78, 19, 57, 14, 42, 10, 30, 90, 22, 66, 16, 48, 144, 432, 1296, 324, 972, 243, 60, 180, 540, 135 (list; graph; listen)

	OFFSET	`1,2`
	LINKS	`Eric Weisstein's World of Mathematics, Link to a section of The World of Mathematics.`
	CROSSREFS	`Sequence in context: A019675 A050129 A070343 this_sequence A021722 A094724 A008564` `Adjacent sequences: A050101 A050102 A050103 this_sequence A050105 A050106 A050107`
	KEYWORD	`nonn`
	AUTHOR	`Clark Kimberling (ck6(AT)evansville.edu)`

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Last modified July 25 07:41 EDT 2008. Contains 142293 sequences.

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