id:A083561 - OEIS Search Results

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a(1) = 1 and for n>1: a(n) = n+Max{a(k): k<n, gcd(n,a(k))=1}.

+0
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1, 3, 4, 7, 12, 13, 20, 21, 29, 39, 50, 41, 63, 55, 56, 79, 96, 97, 116, 117, 137, 159, 182, 161, 207, 233, 260, 261, 289, 319, 350, 351, 383, 417, 452, 419, 489, 527, 566, 567, 608, 569, 651, 695, 653, 741, 788, 743, 837, 887, 938, 939, 992, 941, 1047 (list; graph; listen)

	OFFSET	`1,2`
	CROSSREFS	`Sequence in context: A042893 A132111 A085188 this_sequence A018195 A086417 A051215` `Adjacent sequences: A083558 A083559 A083560 this_sequence A083562 A083563 A083564`
	KEYWORD	`nonn`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)lhsystems.com), Jun 12 2003`

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Last modified July 26 23:19 EDT 2008. Contains 142293 sequences.

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