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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, 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; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
The inserted digit may be placed, as well as between any digits, right of the rightmost digit, or a 1 may be placed immediately left of any leading 0's.
a(27) = 65968107468505192152242522685229502033787240020483956153252490\
3503527999807863686024497941134175331717238367370748503061959398874592\
271022920051340614621089313532682448159459685902093924475936809535464\
12545446337066250896988785882981446324703857058278879865390917524907\
4364170238829997179022525377421093119702908610362229669327436225777\
731291601229157675929540214418887097583964999928849713363588381081308\
8918320563
LINKS
CROSSREFS
Sequence in context: A156768 A134694 A121606 * A097008 A276591 A051653
KEYWORD
base,nonn
AUTHOR
Leroy Quet, Oct 08 2009
EXTENSIONS
Definition slightly improved by Leroy Quet, Oct 15 2009
a(9)-a(26) from Ray Chandler, Oct 18 2009
Corrected comment and removed erroneous comment by Sean A. Irvine, Mar 01 2010
a(27) from Sean A. Irvine, Mar 01 2010
STATUS
approved

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Last modified March 29 06:57 EDT 2024. Contains 371265 sequences. (Running on oeis4.)