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Search: id:A094510
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A094510 Smallest number distinct from n, not occurring earlier and having in binary representation exactly as many ones as n. +0
3
2, 1, 5, 8, 3, 9, 11, 4, 6, 12, 7, 10, 14, 13, 23, 32, 18, 17, 21, 24, 19, 25, 15, 20, 22, 28, 29, 26, 27, 39, 47, 16, 34, 33, 37, 40, 35, 41, 30, 36, 38, 44, 45, 42, 43, 51, 31, 65, 50, 49, 46, 56, 54, 53, 59, 52, 58, 57, 55, 71, 62, 61, 95, 128, 48, 68, 69, 66, 67, 73, 60 (list; graph; listen)
OFFSET

1,1

COMMENT

a(a(n))=n: a self-inverse permutation of natural numbers.

LINKS

Index entries for sequences that are permutations of the natural numbers

Index entries for sequences related to binary expansion of n

CROSSREFS

Cf. A094511, A007088, A000120.

Sequence in context: A059274 A082635 A166623 this_sequence A023677 A108599 A108590

Adjacent sequences: A094507 A094508 A094509 this_sequence A094511 A094512 A094513

KEYWORD

nonn

AUTHOR

Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), May 06 2004

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Last modified November 27 14:50 EST 2009. Contains 167570 sequences.


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