|
Search: id:A166164
|
|
|
| A166164 |
|
a(n) = the smallest possible prime > a(n-1) made by inserting either a 0 or a 1 anywhere in the binary representation of a(n-1) (including possibly between any two leading 0's), then converting to decimal. |
|
+0
1
|
|
| 1, 2, 5, 11, 19, 37, 73, 137, 277, 557, 1069, 2137, 4273, 8369, 16561, 33073, 66161, 132329, 263401, 527081, 1054169, 2108339, 4216691, 8433011, 16865971, 33732019
(list; graph; listen)
|
|
|
OFFSET
|
1,2
|
|
|
COMMENT
|
The inserted digit may be placed, as well as between any digits, right of the rightmost digit, or a 1 may be placed immediately right of any leading 0's.
a(27) if it exists is greater than 10^7 binary digits. - Chandler
|
|
CROSSREFS
|
Sequence in context: A156768 A134694 A121606 this_sequence A097008 A051653 A106015
Adjacent sequences: A166161 A166162 A166163 this_sequence A166165 A166166 A166167
|
|
KEYWORD
|
base,more,nonn
|
|
AUTHOR
|
Leroy Quet (q1qq2qqq3qqqq(AT)yahoo.com), Oct 08 2009
|
|
EXTENSIONS
|
Definition slightly improved by Leroy Quet (q1qq2qqq3qqqq(AT)yahoo.com), Oct 15 2009
a(9)-a(26) from Ray Chandler (rayjchandler(AT)sbcglobal.net), Oct 18 2009
|
|
|
Search completed in 0.002 seconds
|
