id:A049803 - OEIS Search Results

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a(n)=n mod 3 + n mod 9 + ... + n mod 3^k, where 3^k<=n<3^(k+1).

+0
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0, 0, 0, 1, 2, 0, 1, 2, 0, 2, 4, 3, 5, 7, 6, 8, 10, 0, 2, 4, 3, 5, 7, 6, 8, 10, 0, 3, 6, 6, 9, 12, 12, 15, 18, 9, 12, 15, 15, 18, 21, 21, 24, 27, 18, 21, 24, 24, 27, 30, 30, 33, 36, 0, 3, 6, 6, 9, 12, 12, 15, 18, 9, 12, 15, 15, 18, 21, 21, 24, 27, 18 (list; graph; listen)

	OFFSET	`1,5`
	CROSSREFS	`Sequence in context: A004548 A125921 A029299 this_sequence A053121 A113408 A022337` `Adjacent sequences: A049800 A049801 A049802 this_sequence A049804 A049805 A049806`
	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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