id:A099033 - OEIS Search Results

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Sum [k=1..n, (-1)^A000120(3n) ].

+0
2

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

	OFFSET	`1,2`
	COMMENT	`a(n) is of order n^log4(3).`
	LINKS	`P. J. Grabner, A note on the parity of the sum-of-digits function`
	CROSSREFS	`Cf. A036555.` `Sequence in context: A071532 A102730 A165597 this_sequence A002330 A091951 A063283` `Adjacent sequences: A099030 A099031 A099032 this_sequence A099034 A099035 A099036`
	KEYWORD	`nonn`
	AUTHOR	`Ralf Stephan, Sep 27 2004`

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Last modified November 24 14:25 EST 2009. Contains 167438 sequences.

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