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Search: id:A014311
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A014311 Numbers with exactly 3 ones in binary expansion. +0
10
7, 11, 13, 14, 19, 21, 22, 25, 26, 28, 35, 37, 38, 41, 42, 44, 49, 50, 52, 56, 67, 69, 70, 73, 74, 76, 81, 82, 84, 88, 97, 98, 100, 104, 112, 131, 133, 134, 137, 138, 140, 145, 146, 148, 152, 161, 162, 164, 168, 176, 193, 194, 196, 200 (list; graph; listen)
OFFSET

1,1

COMMENT

Appears to give all n such that 64 is the highest power of 2 dividing A005148(n). - Benoit Cloitre (benoit7848c(AT)orange.fr), Jun 22 2002

MATHEMATICA

Select[ Range[ 200 ], (Count[ IntegerDigits[ #, 2 ], 1 ]==3)& ]

CROSSREFS

Sequence in context: A028784 A119393 A075930 this_sequence A051266 A112090 A103487

Adjacent sequences: A014308 A014309 A014310 this_sequence A014312 A014313 A014314

KEYWORD

nonn,base,easy

AUTHOR

Al Black (gblack(AT)nol.net)

EXTENSIONS

Extension and program by Olivier Gerard

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Last modified July 25 07:41 EDT 2008. Contains 142293 sequences.


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