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A166007 Number of ones in the binary representation of the middle member q of the prime triple (p,q,r) with p<q<r=p+6. 0
3, 3, 3, 2, 3, 3, 4, 4, 4, 5, 5, 5, 3, 4, 5, 5, 4, 6, 5, 6, 6, 7, 5, 4, 7, 7, 6, 7, 6, 7, 4, 4, 9, 5, 6, 6, 6, 7, 7, 8, 6, 5, 5, 5, 9, 8, 6, 7, 8, 9 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

EXAMPLE

For n = 3, (p, q, r) = (11, 13, 17), q = 13

Decimal 13 = Binary 1101

a(3) = Number of ones in 1101 = 3

CROSSREFS

Cf. A098414, A014499

Sequence in context: A086139 A074804 A075074 * A087497 A085767 A082127

Adjacent sequences:  A166004 A166005 A166006 * A166008 A166009 A166010

KEYWORD

base,nonn

AUTHOR

Steven Lubars (lubars(AT)gmail.com), Oct 03 2009

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Last modified February 14 14:07 EST 2012. Contains 205623 sequences.