id:A088230 - OEIS Search Results

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a(0)=0; for n>0: a(n)=a(n-1)-n if that number is nonnegative and occurs at most once in the sequence, otherwise a(n)=a(n-1)+n.

+0
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0, 1, 3, 0, 4, 9, 3, 10, 2, 11, 1, 12, 24, 11, 25, 10, 26, 9, 27, 8, 28, 7, 29, 6, 30, 5, 31, 4, 32, 61, 31, 62, 30, 63, 29, 64, 28, 65, 27, 66, 26, 67, 25, 68, 24, 69, 23, 70, 22, 71, 21, 72, 20, 73, 19, 74, 18, 75, 17, 76, 16, 77, 15, 78, 14, 79, 13, 80, 12, 81, 151, 80, 8, 81 (list; graph; listen)

	OFFSET	`1,3`
	LINKS	`Index entries for sequences related to Recaman's sequence.`
	CROSSREFS	`Cf. A005132, A008344.` `Adjacent sequences: A088227 A088228 A088229 this_sequence A088231 A088232 A088233` `Sequence in context: A128178 A021332 A008344 this_sequence A072329 A068630 A079406`
	KEYWORD	`nonn`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Nov 03 2003`

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Last modified October 10 20:39 EDT 2008. Contains 144831 sequences.

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