id:A080544 - OEIS Search Results

Search: id:A080544

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In binary representation: keep the first digit and rotate right the others twice.

+0
3

1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 9, 11, 13, 15, 16, 20, 24, 28, 17, 21, 25, 29, 18, 22, 26, 30, 19, 23, 27, 31, 32, 40, 48, 56, 33, 41, 49, 57, 34, 42, 50, 58, 35, 43, 51, 59, 36, 44, 52, 60, 37, 45, 53, 61, 38, 46, 54, 62, 39, 47, 55, 63, 64, 80, 96, 112, 65, 81, 97, 113, 66 (list; graph; listen)

	OFFSET	`1,2`
	COMMENT	`a(n) = A080542(A080542(n)); permutation of natural numbers with inverse = A080543: A080543(a(n))=a(A080543(n))=n.`
	LINKS	`Index entries for sequences that are permutations of the natural numbers`
	EXAMPLE	`a(20)=a('10100')='10010'=18; a(25)=a('11001')='11100'=28.`
	CROSSREFS	`Sequence in context: A039227 A039273 A039164 this_sequence A018676 A115845 A026507` `Adjacent sequences: A080541 A080542 A080543 this_sequence A080545 A080546 A080547`
	KEYWORD	`nonn,base`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Feb 20 2003`

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Last modified December 8 08:31 EST 2009. Contains 170430 sequences.

AT&T Labs Research