|
Search: id:A166007
|
|
|
| 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
1
|
|
| 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; listen)
|
|
|
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 this_sequence A087497 A085767 A082127
Adjacent sequences: A166004 A166005 A166006 this_sequence A166008 A166009 A166010
|
|
KEYWORD
|
base,nonn
|
|
AUTHOR
|
Steven Lubars (lubars(AT)gmail.com), Oct 03 2009
|
|
|
Search completed in 0.002 seconds
|
