id:A121701 - OEIS Search Results

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Lexicographically smallest sequence such that a(m)<>a(n) for all m with m<>n except either for m=2*n or n=2*m.

+0
4

1, 1, 2, 3, 4, 2, 5, 3, 6, 4, 7, 8, 9, 5, 10, 11, 12, 6, 13, 14, 15, 7, 16, 8, 17, 9, 18, 19, 20, 10, 21, 11, 22, 12, 23, 24, 25, 13, 26, 14, 27, 15, 28, 29, 30, 16, 31, 32, 33, 17, 34, 35, 36, 18, 37, 19, 38, 20, 39, 40, 41, 21, 42, 43, 44, 22, 45, 46, 47, 23, 48, 24, 49, 25, 50 (list; graph; listen)

	OFFSET	`1,3`
	COMMENT	`a(4n-2) = a(2n-1): a(A016825(n)) = a(A005408(n));` `a(2*A003159(n)) = a(A003159(n));` `if a(m)=a(n) with m<n then A035263(m)=1 and A035263(n)=0.`
	CROSSREFS	`Sequence in context: A117826 A075994 A100798 this_sequence A026346 A120636 A117744` `Adjacent sequences: A121698 A121699 A121700 this_sequence A121702 A121703 A121704`
	KEYWORD	`nonn`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)lhsystems.com), Aug 16 2006`

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

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