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Search: id:A161397
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A161397 a(n) = the smallest positive integer that contains the same number of (non-leading) 0's as n when a(n) and n are written in binary, is not coprime to n, and is not a divisor of n. +0
2
6, 15, 10, 30, 14, 63, 18, 12, 4, 55, 9, 247, 6, 63, 34, 85, 8, 57, 8, 9, 4, 253, 18, 10, 4, 6, 10, 1015, 14, 1023, 66, 36, 16, 20, 16, 185, 8, 9, 16, 205, 8, 215, 8, 10, 4, 14335, 33, 35, 8, 9, 8, 159, 4, 30, 18, 9, 4, 767, 9, 4087, 6, 15, 130, 80, 32, 201, 32, 33, 16, 213, 32, 730 (list; graph; listen)
OFFSET

2,1

LINKS

H. v. Eitzen, Table of n, a(n) for n=2,...,10000.

CROSSREFS

Cf. A145257, A161396

Sequence in context: A003566 A070870 A123623 this_sequence A145257 A070555 A128512

Adjacent sequences: A161394 A161395 A161396 this_sequence A161398 A161399 A161400

KEYWORD

base,nonn

AUTHOR

Leroy Quet (q1qq2qqq3qqqq(AT)yahoo.com), Jun 09 2009

EXTENSIONS

a(1) is undefined; offset corrected by Hagen von Eitzen (math(AT)von-eitzen.de), Jun 20 2009

Corrected and extended using terms from b-file. - N. J. A. Sloane, Aug 31 2009

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Last modified December 6 22:55 EST 2009. Contains 170429 sequences.


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