id:A098311 - OEIS Search Results

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Smallest number not occurring earlier and coprime to a(ceil(n/2)); a(0)=1.

+0
4

1, 2, 3, 5, 4, 7, 6, 8, 9, 11, 10, 12, 13, 17, 15, 19, 14, 16, 18, 20, 21, 23, 25, 29, 22, 24, 26, 27, 28, 31, 30, 32, 33, 37, 35, 39, 41, 43, 47, 49, 34, 38, 36, 40, 42, 44, 45, 46, 51, 53, 55, 59, 57, 61, 50, 52, 65, 67, 48, 54, 71, 73, 63, 69, 56, 58, 60, 62, 64, 66, 68, 70 (list; graph; listen)

	OFFSET	`1,2`
	COMMENT	`a(2n) > a(2n-1);` `permutation of the natural numbers with inverse A098313:` `A098312(n) = a(a(n)).`
	LINKS	`Index entries for sequences that are permutations of the natural numbers`
	CROSSREFS	`Sequence in context: A057756 A082746 A098313 this_sequence A123883 A072062 A002192` `Adjacent sequences: A098308 A098309 A098310 this_sequence A098312 A098313 A098314`
	KEYWORD	`nonn`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)lhsystems.com), Sep 02 2004`

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

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