id:A081610 - OEIS Search Results

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Number of numbers <= n having at least one 2 in their ternary representation.

+0
6

0, 0, 1, 1, 1, 2, 3, 4, 5, 5, 5, 6, 6, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 19, 19, 20, 20, 20, 21, 22, 23, 24, 24, 24, 25, 25, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59 (list; graph; listen)

	OFFSET	`0,6`
	COMMENT	`a(n) + A081611(n) = n+1.`
	CROSSREFS	`Cf. A007089, A081603, A081607, A081609.` `Sequence in context: A078474 A087177 A006159 this_sequence A063273 A007599 A133344` `Adjacent sequences: A081607 A081608 A081609 this_sequence A081611 A081612 A081613`
	KEYWORD	`nonn`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)lhsystems.com), Mar 23 2003`

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

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