id:A075160 - OEIS Search Results

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Prime factorization of n encoded with the run lengths of binary expansion + 1.

+0
3

1, 2, 3, 4, 6, 5, 11, 8, 7, 12, 22, 9, 43, 21, 10, 16, 86, 13, 171, 24, 23, 44, 342, 17, 14, 85, 15, 41, 683, 20, 1366, 32, 42, 172, 19, 25, 2731, 341, 87, 48, 5462, 45, 10923, 88, 18, 684, 21846, 33, 27, 28, 170, 169, 43691, 29, 46, 81, 343, 1365, 87382, 40, 174763 (list; graph; listen)

	OFFSET	`1,2`
	COMMENT	`See the comment at A075158.`
	LINKS	`Index entries for sequences that are permutations of the natural numbers`
	EXAMPLE	`a(9) = 7 = 1+6 (1 + 110) as 9 = 3^2 * 2^(1-1). (The run lengths of 6, 110 in binary are 2 and 1).`
	CROSSREFS	`Inverse of A075159. a(n) = A075158(n-1)+1.` `Adjacent sequences: A075157 A075158 A075159 this_sequence A075161 A075162 A075163` `Sequence in context: A119629 A014631 A064787 this_sequence A119755 A075527 A060019`
	KEYWORD	`nonn`
	AUTHOR	`Antti Karttunen Sep 13 2002`

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Last modified October 11 09:12 EDT 2008. Contains 144832 sequences.

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